How to Change a Blank 3 Button on an Audi Key Fob

1. Insert a programmed key remote into your Audi ignition and turn it to the 'ACC' position.
2. Lock the door using the lock cylinder on the driver's door. Do this with the second key remote that you would like to program.
3. Press the Unlock button once on the key in the lock cylinder, and wait for the lights in the car to flash.
4. Unlock and Lock the door by turning the key in the lock cylinder and press the 3 button on the remote to program it to the system.
5. Pull the key from the lock cylinder and press the new button to test it for successful programming. You can then remove the ignition key from the ignition cylinder.