Infiniti Key Fob Not Working After Battery Change

Remove the. ive had my truck 3 weeks, the week i bought it my keyfob stopped working. Then I reprogrammed the key fob (remote control matching) using vag-com:. Call into the dealer, this is their response: Using the fob hit unlock button. The dealer assured me the batteries should last two years and nothing to worry about. Your handbook will tell you, or simply look at it. (Didn't work when I pushed the fob against the start button to start the car) Have any of you had to change out the batteries yet? If so, how long after you got the car did you have to?. I went to the local car dealership and they want to charge me $140 for a new one. We can help you with a simple battery replacement or give you a whole new keyless entry replacement if your existing unit stops working. How to replace a Harley-Davidson key FOB battery It is recommended that the battery be replaced every 12 months. Remove the key from the door and test your fob, it should be working. What I'm more curious about, and what led me to look at your thread, was how long a new CR2032 lasted for you?. ^^ Yeah I know about the key in. Hey guys, as the title explains really. SOURCE: key fob not working after battery change ford focus 2006. The buttons seemed okay and the metal contacts inside did not need to be adjusted. It may not work for the HHR, but is sure did for my 2003 Chevy Silverado. Key fobs from other vehicles or purchased over the internet will not work with your vehicle. My Challenger yesterday said defective fob as the battery quit, it did last 2 years which was good but it’s better to just replace it yearly to not have to deal with that. The order was placed very easily and arrived quickly. I changed the battery to one of my key fobs for my M35, but after changing the battery it is still not working. Fobs rarely go bad, but fob batteries do. This will be the remote, either generic or factory made, and the necessary keys. 2, now the car won't unlock/lock with button press, have to open it manually but only drivers door will unlock, I can't even use the central locking button on dash until key is in ignition and turned to pos 2. Will recommend. Far Reach Engineering 38,747 views. hopefully i haven't jinxed it but its working for now. Cadillac key fob battery – Cost, how to replace, type, size, programming, what do to when the battery is dead and more. Two weeks after replacing the stsrter thecar will. The new batteries are fine, checked by using a Volt meter. When you replace the new battery, wear gloves – you want to avoid having skin oil getting on the battery as this may cause battery deterioration. Changing Key Fob Battery It is super easy to change the battery on an Infiniti Key Fob. My 2013 Infiniti G37 won't start at all. I have had my X for two months. There are usually 5 reasons to get this message. The radio presets remained in memory; everything else is fine. BOTH Intel Key Warning Light & Security Ind. If this does not work, have a Nissan dealer check the key fob with their testing tool to determine if it is ok. then try it, sometimes it needs to be done a few times to get it to work but that should do it if not then youll need a new plip key. Reprogram your remote yourself or have a professional do it. Thanks, good information for those wanting to check their new batteries or just confirming they need to replace the battery in their key. In the manual it suggests that I get the battery changed at the dealer, in which case: 1) How pricey is that? 2) Does anyone know the battery number and can I do it myself (I know I can, but. When you replace the new battery, wear gloves – you want to avoid having skin oil getting on the battery as this may cause battery deterioration. Fobkeyless is your final stop in finding the right Infiniti car key transponder, Infiniti Remotes keyless fob for low prices. I now remember from a previous trip to that location in my BMW that the keyless entry system also didn't work but my BMW had a physical key built into the FOB as a backup. Changing Key Fob Battery It is super easy to change the battery on an Infiniti Key Fob. A stuck key fob is one known issue in the Audi A4. Keyless remote stopped working when battery died Mini Spy why would it stop working when the battery died? Now, when I get in my car by using my spare key, I think the car thinks it is being. Had to do for both keys. My Fabia is 11 months old and Im getting a warning for both key fob batteries to be replaced on the instrument panel. Follow UP of what I found after 6 hours of work. I know that articles/YouTube videos suggest using something like a nail filer to pry apart the key fob after taking out the physical key, but I can NOT get mine apart for some reason. Pressing the lock button does not lock the vehicle. With dead battery and jumpers installed, the car would not start. I will show you how to change the battery on a key fob. Once you have the battery in hand, it’s just a matter of popping open the key fob and replacing the old battery. I read the manual and found out that the FOB had to be re-synced to the truck. Is there a way to tell? 2001 XC70. Thanks for a good product at an amazing price. Before you reprogram your key fob make sure that you do not simply have a dead battery in your key fob. 9 or 3 volts. Any help appreciated. Key from remotes. Your key fob might have the key built right into it, or be separate from your car key. 5979 Vapers. If the Lock and Unlock feature do not work after you replace the key fob battery, look into your owners manual to see if the key needs to be programmed. If this happens unexpectedly before you’ve had a chance to replace it, you can still unlock your Nissan and activate push-button start with these easy tips. The video above shows how simple it is to replace the battery. My key fob slowly started losing it's strength over the past year until the last two weeks it completely stopped working. Then I reprogrammed the key fob (remote control matching) using vag-com:. I found this out by leaving the interior light on. After replacing the battery, it worked great. Either way, the problem is easy to fix. Changing the battery should not cause you to lose the connection between car and fob, at least this is the way it works in most cases. The TSSM code consists of five digits. If you think about it, the FOB is always transmitting. When Nissan/Infiniti first started using the Intelligent Key, they had to recall them because cellphones would wipe out the internal memory rendering the key useless. What I'm more curious about, and what led me to look at your thread, was how long a new CR2032 lasted for you?. Replaced the battery in key fob but now can't get it to start. Once you determine that you need a new keyless entry remote, it will need to be programmed to your vehicle. Changed the battery in the key fob the other day, mine's the one with the boot unlock function on too, for a '59 plate Ibiza 1. I will show you how to change the battery on a key fob. Hi, I ve just purchased a Ford Focus Style 1. By not using a Saver, the car lost the code needed communicate remotely with the fob, as well as the computer operating settings and the radio, which requires a separate program code. The 2013 Infiniti JX35 has 1 problems reported for back liftgate not working at all after battery change. Thanks you so much for this post! After easily switching out the battery on my FOB I could not figure out what I did wrong after toying around for awhile on two FOBS. My 2012 Infiniti G37 Convertible will not honk anymore when using the key fab 2 Answers. Go! Key Fob Keyless Entry Remote for 2011 Ford Explorer Complete key fob with electronics and a battery. It will save you a lot of money. Key fob checked at dealer, is sending proper signal. Changed the battery and the battery on the key fob. Do you think this is a battery issue or something else. The Intelligent Key port does not charge the Intelligent Key battery. This is a follow up to a post I had on here for Transmitter Key FOB not working after replacing the battery and resyncing it to the car's transmitter reciever. After years of use, your Nissan’s key fob will eventually drain all of the power from its battery. Forum for Infiniti M35 and M45, and Nissan Fuga owners. I also get a message in the DIC that no key fob detected. Thinking must be something else, also I don't have the ignition it's a push to start car but in Youtube there is a video that shows a "secret" compartment below the hand break where you insert the key and it allows to start the car, just can't find this similar thing in this model. The camry only has a key entry on the driver side and I worry the fob wont work one day and I will be stuck. Infiniti 2008 EX35 - After Battery Change. Use the key fob to push the START button. Guys, My 2016 EX-T displayed the low battery warning for the Key Fob (which is kinda surprising after 2 years, but okay) and so I opened it up, replaced the battery and now well, nothing happens when I press any of the buttons (no red light). Since doing so, the key fob isnt being recognized by. I followed the instructions but could not get the car to do the handshake. Short version : buy a CR2032 button battery, pry open fob using the key, and replace battery. When you replace the new battery, wear gloves – you want to avoid having skin oil getting on the battery as this may cause battery deterioration. A stuck key fob is one known issue in the Audi A4. If there is an emergency, you can turn on the siren and automatically call the central monitoring station. Light ON - Can't Start 2 Answers. My fob stopped working so I got a new battery, changed it and it still didn't work. What kind of battery do I need? The exact battery your key fob needs can be found in your owner’s manual. A new one with an uncut key costs about $100 just fyi. In 18 months would i expect the battery to have died!? Seems a bit quick. I seriously doubt that your dashboard will indicate that the battery in your FOB is low. Haven't driven it much because we haven't sold my old car yet, so we haven't registered it. We first knew of the problem when the 08 challenger srt's came out, we got info from chrysler not to do anything with it, as those service departments who tried to fix it ended up disabling the whole ignition system, making it impossible to start the car. As others mentioned it is usually when your keyfob is low on battery. I get the same message form both Fobs. To reprogram (enter new ID) remote key fob (keyless remote controller) follow the steps. Then I reprogrammed the key fob (remote control matching) using vag-com:. BMW key fob battery replacement: The process of replacing the key fob battery is very simple. Using the Security Alarm PIN Override to Start Your Harley Davidson (2014 & Newer)1. Replaced the battery in key fob but now can't get it to start. Home › Forum › Cadillac › How do I get in my CTS when key fob is not working? CTS and my key fob has no key in it and it won’t work to even get in my car. Key from remotes. I've got a key fob that seems to be going out intermittently. What should I do? If your Model 3 does not unlock when you press the unlock button on your Key Fob, the key’s battery. After several tries, the fob finally came out. 7PM at night till 2AM next morning. Luckily for you, we're going to take you through the top reasons your key fob isn't working and how to fix it. then try it, sometimes it needs to be done a few times to get it to work but that should do it if not then youll need a new plip key. When i closed the door i could see that. We recommend changing the battery in Infinitis every 4 years. How to change a dead or weak battery in the intelligent or smart key fob remote control for a third generation 2015, 2016, 2017 and 2018 Nissan Murano SUV including photo illustrated DIY steps and the compatible replacement part number. How do you replace the battery in infiniti M35 key fob? 5 6 7. Using the key fob hit panic button. When you replace the new battery, wear gloves – you want to avoid having skin oil getting on the battery as this may cause battery deterioration. Then I noticed that the 2 plastic halves were not together (there was a small opening between them). The batteries on my 02 and 04 vehicles that uses a key are still on the original batteries. My remote is an after market one, so was not fitted from new. Hi, I ve just purchased a Ford Focus Style 1. When you disconnect/replace the car battery, you should use a Memory Saver to prevent the car from losing the codes for the key fob, computer, and radio. Verify these numbers are the same on the one you intent to buy. Infiniti car keys, Infiniti remote keyless entry fobs, Infiniti Smart Keys can be found in this Infiniti car key, Infiniti car keyless remote entry category. press unlock, lock, unlock on your original key, then remove it from the ignition. If you would like to watch a short video can you do it here. We can help you with a simple battery replacement or give you a whole new keyless entry replacement if your existing unit stops working. Unfortunately the batteries of both keys were empty so I. This tutorial explains how to replace the key fob battery in Volvo S40 (2004 to 2013), Volvo V50 (2004 to 2013), Volvo C30 (2006 to 2013) and Volvo C70 (2006 to 2013) with the key fob style pictured on the right. Then we had the starter replaced bc we thought that was the issue. How to replace the coin or button cell battery in the smart key fob for the keyless entry system of a 4th generation 2007 to 2012 Nissan Altima. Use a lithium battery No need to use a NiCad battery. So I must be doing something wrong, but I can not for the life of me figure it out and neither can infiniti. A couple of questions before I crack open a $300+ fob: 1) Does it take a standard watch battery, as do most manufacturers?. If a port does not exist, Style 2 comes into play. For more information, refer to the “ pre-driving checks and adjustments. And I have a question, when neither of your fobs work how can you lock your car and then get into it again? Even after the previous writer said she had her batteries replaced they didn't work. My 2nd key fob still worked, so I used that until I was able to pickup a new battery (2032) from the local store. My fx35 2011 does have a spot to the left of the steering wheel (look low), where you can insert the fob, this will enable you to drive your car. You should see the INFINITI key fob battery housing. I have my other vehicle key fob on the same key ring and it does this. Book instructions: Unlocking When the Key Doesn't Work To unlock Model. (Didn't work when I pushed the fob against the start button to start the car) Have any of you had to change out the batteries yet? If so, how long after you got the car did you have to?. Place a small amount of isopropyl alcohol on a cotton swab, then rub the contact gently. If the battery has been changed outside the car and the car is locked, proceed as follows: 1. That should do the trick. Step 1 - Change the battery. So I measured a new battery and it showed 3. As long as the fob is the same as yours (Freq and ID). Follow the steps below to change the battery in your key fob. The buttons seemed okay and the metal contacts inside did not need to be adjusted. Replace the battery as soon as possible. My Infiniti G37s wireless key fob won't open the doors, but it will start the car. The "No Key Detected" light was on. We recommend changing the battery in Infinitis every 4 years. The key fob is also not working after changing the battery. Like you, I have been thinking about putting a spare battery in the glove compartment. However, you should keep in mind that this is not the only reason your key fob might not be working. The battery is commonly found and can be easily swapped using the diagram on the right. Then you have to replace the internal battery just like any other key fob. can't get key fob to work. Well, my car fob decided to not unlock the car anymore about 6 months ago. Anyway, had the windshield replaced, and will be working on the A/C this week before getting it in for inspection, emissions, oil change, and A/C recharge. If you do touch the battery with your skin, clean it with rubbing alcohol. We recorded those videos in HD to show you how easy is to program most Ford, Mercury, Lincoln, GM, Buick, Chevrolet, Cadillac, GMC, Pontiac, Saturn, Hummer, Honda, Toyota and Infiniti keyless entry remotes, key fobs and smart keys. If your keyless entry works with a START button and there's no mechanical key slot, there's still a way to start the car. Some manufacturers have a backup system that allows this method to work if the key fob battery is dead. Maybe for some reason, it reset the warning light to go off since I have a new battery in the key fob. Turn the Ignition switch to the ON position using your key. Fobkeyless is your final stop in finding the right Infiniti car key transponder, Infiniti Remotes keyless fob for low prices. - Does not cover battery exhaustion, additional batteries may be purchased at Car Keys Express - Does not cover item loss. Tried pairing it to the alarm, no joy. If you do not have a key integrated fob, you may skip this step. Want Answer 0. If the remote starter stopped working after a. I know nothing about these devices so I went to the local dealer. Skoda key fob wont work after changing battery. So they put in a warning asking owners to keep cellphones and Intelligent Key away from each other. Put the nose side (side opposite of the emergency key) of the Key Fob against the Engine START/STOP button and push to operate the. can't get key fob to work. Hey guys, as the title explains really. Open the fob and replace the battery. I sounds like a weak battery - but impossible, because I bought a brand new one and in next 10 minutes put it inside my Key and reprogrammed it. How Long Does a Key Fob Battery Last? more effort to get the key fob to work; is replaced correctly or just have an experienced mechanic inspect and replace the key fob battery for you. The key fob you send to Remote Key Repairs must be the original key fob from your vehicle. If you have replace the fob battery etc and the car still won't start, even with the fob in the slot, then 12v battery is probably flat. Not strictly tech, but trying to keep technology simple I thought it would be useful for those people with a Seat, Audi or VW to see how to change their car key fob battery. It has been dead for a while, but I don't know if that has anything to do with it, but I am not sure why it isn't working. I plan on taking a stab at changing the battery in the key fob after trying to recharge the spare. I replaced the battery, but still occasionally acts dead. My Keyless Entry Won't Work After a Battery Replacement by Tiffany Raiford Putting new batteries in your keyless entry remote is the most common fix for broken keyless entry remotes. What I'm more curious about, and what led me to look at your thread, was how long a new CR2032 lasted for you?. Test your remote to see if the battery was the problem by snapping the key fob together and trying it on your car. When you do realize that your car key is not working because of worn out key fob batteries, the simple solution is to find the right batteries and then replace them. My 08 coupe has been warning me that my key is low for 4 months now. Find a good Auto Locksmith or key cutting shop and ask them to check to see if it’s transmitting. Step 4 – On the back of the green circuit board is a small round battery that you can now replace Step 5 – Reassemble your key fob and re-insert the metal ignition key. However, The Club remained to stay. Open the car with the other key. This occurrence isn't all that uncommon. Please check the list below for vehicle fitment. Yesterday I noticed while checking fluids corrosion on the positive terminal of the battery. Bad or weak car battery or battery connection 5. Fobkeyless is your final stop in finding the right Infiniti car key transponder, Infiniti Remotes keyless fob for low prices. Bad FOB Battery 3. 3 mm) Then I could replace the one fob key with an Energizer 1616 battery. The transponder is a passive chip that requires no battery. Replace your remote if necessary. 2, now the car won't unlock/lock with button press, have to open it manually but only drivers door will unlock, I can't even use the central locking button on dash until key is in ignition and turned to pos 2. No appointment is necessary. To reprogram (enter new ID) remote key fob (keyless remote controller) follow the steps. On average expect to replace them about every two years. In 18 months would i expect the battery to have died!? Seems a bit quick. (Lock, unlock, charge port, panic) but the car no longer recognizes the key from inside or outside. Your handbook will tell you, or simply look at it. I ran across your post and tried the reprogramming in the link you posted for his old fob and it. Then I reprogrammed the key fob (remote control matching) using vag-com:. Test your remote to see if the battery was the problem by snapping the key fob together and trying it on your car. Put the nose side (side opposite of the emergency key) of the Key Fob against the Engine START/STOP button and push to operate the. Check the Manual. I've got a key fob that seems to be going out intermittently. They are simple watch 'coin' batteries and you may find them in a high street jewellers or clock repair shop and are Coupe and Hatch: CR 1620 3v battery. As with any electronic device, issues may arise. Key Fob Battery Replacement. It is not managed by iFixit staff. You guys (forum, not just you guys) know what to do if the fob battery is dead and you can't get in the car or start it (Smart Key users)? The smart key has a metal key built in that you release by pushung the tab on the fob and insert the metal key in the door key hole. So, I would say if you are having problems with key fobs, check the actual voltage of the batteries. SHe relaced the battery and now the doors lock and unlock but the keyless entry does not work? We cannot start the car in keyless mode. Historically HJK had a wide support within Finnish speaking middle class of Helsinki. In some cases, it will be impossible for a person to get into their car without a working key fob. Check main car battery. Whether it would work on a Model S key I have no idea. To help you with this problem, we compiled a few tips to help you avoid such problems. Thanks, good information for those wanting to check their new batteries or just confirming they need to replace the battery in their key. Go! Key Fob Keyless Entry Remote for 2011 Ford Explorer Complete key fob with electronics and a battery. Should you replace it? Is the battery dead? Before you curse the day, here are a few steps that will help you determine your next course of action. 7PM at night till 2AM next morning. Dorman’s Keyless Remote Solutions provide you with a 2 Minute Fix to Repair your Keyless Remote Cases and a 5 Minute Fix for Key Fob / Keyless Entry Remotes with user-friendly programming tool. Then it worked if you pushed the button several times. The transponder is a passive chip that requires no battery. Follow the steps below to change the battery in your key fob. I found this out by leaving the interior light on. Price of Infiniti key fob battery: Usually less than $6. Any ideas? Is it the car? The key fob? Not reading toge … read more. Has anybody had this problem? Sent from my iPhone using Tapatalk. For more information, refer to the “ pre-driving checks and adjustments. Your key fob might have the key built right into it, or be separate from your car key. Then leave it in a warm, not hot, place for a few hours with the battery compartment still open. I had an extra FOB and it did not work so I thought it was the batery. Hello, I just bought a used Prius 2004 with 180000 miles and the owner said that the battery couldn't hold charge so he replaced it. We can help you with a simple battery replacement or give you a whole new keyless entry replacement if your existing unit stops working. I will talk more about tranponders and how they work in a separate post. It will save you a lot of money. The batteries on my 02 and 04 vehicles that uses a key are still on the original batteries. With dead battery and jumpers installed, the car would not start. As with any electronic device, issues may arise. However when the key fab is pressed 2x it does not honk, can't figure out how to make it do that a. Step 1 - Change the battery. If you do not have a key integrated fob, you may skip this step. The device is compatible with a range of Nissan and Infiniti models and it features a detailed three button interface: LOCK, UNLOCK, and PANIC. Have browsed the site a bit before, however I just wanted to check in and say thank you for the information at the bottom of this post. In this guide, you will find instructions on how to change the battery in Jaguar key fob. Perfect compliment to to the dark chrome trim found on many Infiniti's. Take the key fob apart and check for broken contacts or misaligned buttons. Leftist working class' clubs played their own leagues and competitions under Finnish Workers' Sports Federation. If you would like to watch a short video can you do it here. If it's the same Gen you should be good to go. This key fob needs to have worked with your vehicle at some point previously, otherwise we cannot guarantee your repair. So they put in a warning asking owners to keep cellphones and Intelligent Key away from each other. How to program a new Cadillac key without the original? What is the procedure? Can I do it myself? What are the average cost of programming a new key and a. It lasted only 6 months. The car has 3 keys- 1 being central unlocking system remote. The dead one was used every day for 4+ years, then one morning it wouldn't work. It can be frustrating when you go unlock the doors of your Jeep and the key fob isn’t working. This is a follow up to a post I had on here for Transmitter Key FOB not working after replacing the battery and resyncing it to the car's transmitter reciever. But it wasn't the crash that. There are usually 5 reasons to get this message. Vehicles that utilize a smart key system, allows the driver to activate the engine without inserting a key into the ignition, while the smart key is inside the vehicle. One of my M37's key fobs has a completely dead battery, and I've been trying to figure out how to pry the key open so I can change the battery. Key Fob Keyless Entry Remote for 2006 Jeep Grand Cherokee Complete key fob with electronics and a battery If you do not have two working original keys you. Dude, you rock! My dad lost one of his keys and one of his fobs. Haven't driven it much because we haven't sold my old car yet, so we haven't registered it. Replacing the battery does not require key coding or remote pairing. Find many great new & used options and get the best deals for 2x New Replacement Keyless Flip Remote Key Fob For Nissan & Infiniti KBRASTU15 at the best online prices at eBay!. 2015 Volkswagen Golf GTI: Key Fob Battery Replaced. Bought an NEW key fob with uncut key insert for $109 shipped on eBay and Software for $67 on Amazon. In some cases, a working car key stops working after changing the battery. How do I start my car if Infitiy key battery is dead? If the car does not start the RKE transmitter (Key Fob) may have a low or dead battery. I have a 2016 RS with the keyless fob feature. I recommend you try reprogramming the key fob. MERRY CHRISTMAS AND HAPPY HOLIDAYS!! Hey guys this is a video tutorial showing HOW TO REPLACE/CHANGE A KEY FOB BATTERY on this video I'm working on a 2009 infiniti G37 but I'm pretty sure all the. When you disconnect/replace the car battery, you should use a Memory Saver to prevent the car from losing the codes for the key fob, computer, and radio. 2 out of 5 stars 8 $13. Need a spare key? Did your key fob stop working? We Cut & Program Keys, Repair & Replace Key Fobs. Bad or weak car battery or battery connection 5. This Energizer CR2016 Battery will replace the original battery from your Key Fob, keyless entry remote / remote key. G37 won't start. Bad RCDLR This Step/Action table will guide you through testing to eliminate each of these possible problems to get your FOB and car communicating. Trying to lock and unlock the doors with the fob didn't work either. Then you have to replace the internal battery just like any other key fob. So I searched for a video and what type of battery to use with my 2014 Infiniti Q50 keyless remote. Troubleshooting : If the key fob is not working after the battery has been replaced try inserting it into the ignition for 20 seconds, this may synch the key fob to the BMW again. Find many great new & used options and get the best deals for 1x New Replacement Keyless Entry Remote Control Key Fob For Nissan & Infiniti at the best online prices at eBay!. I have replaced my battery in my car, replaced my battery in my fob, had my alternator checked, replaced a headlight and even tried reprogramming the key fob and still nothing. Best Answer: As said there is not a battery that you can replace, it is charged while in the ignition slot. Also, a solid red light will show up on the bottom of Kevo's light ring when you lock or unlock the door. You can program up to 5 remotes to work with your truck. 693 Vape Brands. We cut keys, replace and program key fobs, and have every battery you may need for your car's keyless entry remote. at this point it seems like replacing the battery in the car has bricked it! at this point, only the physical key opens the doorand other than that, it's as if I have no key. After several tries, the fob finally came out. If you replace the battery by yourself, use utmost care that no dust, oil or water enters the transmitter. I'm ordering another. The 2013 Infiniti JX35 has 1 problems reported for back liftgate not working at all after battery change. Had my car since January, key fob died on me Saturday night (luckily I was 3 blocks from home so I just walked over and got my spare. (To convince myself after I took delivery, I tried the procedure in my garage by taking the battery out of my FOB, and it worked after a few tries getting it in the right location. Programming information: After replacing the key fob. HOW TO RESET KEY FOB AFTER CHANGING BATTERIES keyon187. Next post Previous post. Key FOB Battery dead - Have a 2000 Jetta 2. Infiniti Vehicles Remote Key Fob Reprogram Procedure Did not work? Try these steps. Pressing the lock button does not lock the vehicle. Our prices for replacement fobs and replacement clickers are the lowest on the web. Also, let be more specifc with procedure to see if the problem is that the ECU does not recognize pretty well de fob. I replaced the battery and still nothing. After about 4hrs I stopped by. anybody know?. So the key that starts my car is not the same one that unlocks my car. I had a similar problem (but the car also had problems starting) which was just solved with a liberal application of oil in the ignition barrel (which solved the starting problem, but also caused the remote fob to start working again). If the key fob needs to be reprogrammed, this article will walk you through those steps as well. If this happens unexpectedly before you've had a chance to replace it, you can still unlock your Nissan and activate push-button start with these easy tips. How can I protect my worn Infinity key fob remote? You may want to consider adding a cover to protect your remote. Both car battery and fob battery are fine Any ideas!! Thanks _____ Team OCD. The battery was probably disconnected for 20-30 hours. Replace the battery as soon as possible. My 08 coupe has been warning me that my key is low for 4 months now. We recommend changing the battery in Infinitis every 4 years. However as i explained before this problem happened before when i replaced the battery about a year ago and the car started on its own after a couple of days. So I popped the push button out and used it like a key, worked fine. For sale a secondhand 1x Genuine SAAB4 button remote alarm key fob, blade will need to change (replace), and fob reprogramming to suit your vehicle. Remove the negative battery cable and then reconnect.