Why is my Volkswagen Tiguan key fob not working?

There are a few possible reasons why the key fob for Your Volkswagen Tiguan has stopped working. The most common one, which is also the simplest to fix, is a dead battery. You'll need to open the fob and replace the battery with a new one. There could also be internal damage to the fob. This part relies on data from the receiver and transmitter to work. If there is damage to either, including faulty wiring, the fob won't work. In this case, it will need to be replaced. Have You changed the battery, and now You're having problems with it If so, it needs to be reprogRammed. This is fairly easy to do and doesn't require any tools. Other less common causes can be an issue with the door locks or ignition cylinder.