See also:

Audio operation precautions
...

Clearing the programmed information
Individual buttons cannot be cleared. However, to clear all programming, press and hold the two outside buttons and release when the indicator light begins to flash (approximately 20 seconds). ...

Install
1. Align the head restraint stalks with the holes in the seat. Make sure the head restraint is facing the correct direction. 2. Push and hold the lock knob and push the head restraint down. 3. ...