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 ...

Low speed automatic cancellation
ACC is not functional at vehicle speeds below 16 mph (26 km/h). Once the vehicle speed drops below 16 mph (26 km/h), an audible alarm will sound and the automatic braking will be released. ...

Erasing HomeLink buttons
To erase the three programmed buttons (individual buttons cannot be erased): • Press and hold the two outer HomeLink buttons until the indicator light begins to flash-after 20 seconds. Re ...