See also:

Programming
Do not program HomeLink with the vehicle parked in the garage. Note: Your vehicle may require the ignition switch to be turned to the accessory position for programming and/or operation of the Home ...

Anti-scan feature
If the wrong code has been entered seven times (35 consecutive button presses), the keypad will go into an anti-scan mode. This mode disables the keypad for one minute and the keypad lamp will fla ...

Aiming the headlamps
The headlamps on your vehicle are properly aimed at the assembly plant. If your vehicle has been in an accident, the alignment of your headlamps should be checked by your authorized dealer. ...