See also:

Accessory delay
With accessory delay, the window switches, audio system and moon roof (if equipped) may be used for up to 10 minutes after the ignition is turned off or until either front door is opened. ...

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 ...

Flash-to-pass
Pull toward you slightly to activate and release to deactivate. ...