See also:

Engine compartment
...

Registering a cellular phone
Select “Pair Phone” using a voice command or the “TUNE/SEL” knob, and perform the procedure for registering a cellular phone. ...

Erasing the entire HomeLink® memory (all three programs)
Press and hold the 2 outside but- tons for 10 seconds until the indi- cator light flashes. If you sell your vehicle, be sure to erase the programs stored in the HomeLink® memory.  - Befo ...