One of the most common reasons why Nissan key fob not working after battery change is installing a new battery backwards, or buying a faulty NEW battery. This article gives you some tips to get your keyless key fob working after changing the battery. 1. Key Fob Battery While your key fob can last for a long time, it is not indefinite and has a time limit. Normally, it is 8 years with a well-maintained car and key, but if you have been dropping the keys a little more than usual, you are lucky if it lasts for 4 years. If your Nissan key fob not working after battery change you need to check to make sure that the new battery is installed correctly. If it's not, that could be why the key fob isn't working. Once you've confirmed that the new battery is installed correctly, try resetting the key fob by holding down the button for a few seconds. 801 Share 138K views 6 years ago This video will help you change the key battery on a Nissan key. This is a very easy job. You just need a small screwdriver plus a good quality CR2016 Try this:-. To start, sit in your car with the doors closed and the ignition off. Next, press and hold the lock and unlock buttons on your key fob for about 15 seconds. After that, press the lock button for one second, then release it and press the unlock button for one second. .

nissan qashqai key not working after battery change