How to program Audi TT key fob? Audi keys are fairly simple. Start by pressing and holding the unlock button on the remote, then hold the unlock button, and insert the key into the ignition. Turn the ...

New key fobs must be programmed with codes that the vehicle has to read before it unlocks the door or allows starting the engine.

Audi key fobs have varied slightly between different models over the years, but the process to replace batteries is relatively similar and simple for each one.