No
what answer!
You normally do not have to reprogram the key when you replace the battery. If you do you will have to contact your VW dealer.
You'll probably need to have this done at a dealership.
2006 jetta tdi both key remote not working
the bastards at the dealership have to do it...had it done, not cheap.
Take it to your dealership they would be the one to help you with that.
your key fob can only be programed by the local gm dealer.
To reprogram the key fob for a 2002 Mercedes, first, ensure you have all the keys you want to program. Insert the key into the ignition and turn it to the "On" position without starting the engine. Press and hold the "Lock" button on the key fob for about 5 seconds, then release it. Turn the ignition off and remove the key; the fob should now be reprogrammed. If you have multiple fobs, repeat the process for each one.
it is virtualy imposible
It can cost as much as about 300 dollars to re-key the average car. This varies depending on the type of ignition and the type of key.
To reprogram a remote key fob, first, ensure you have the vehicle's manual, as the process can vary by make and model. Typically, it involves entering the vehicle, closing all doors, and turning the ignition on and off a specific number of times. Afterward, press a button on the key fob to sync it with the car. If unsure, consult the owner's manual or a professional locksmith for assistance.