See also:

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free ...

Memory Remote Recall
The memory feature can recall the driver seat, outside mirrors, power steering column, and pedals to stored positions when entering the vehicle. To activate, unlock the driver door with the Remote ...

Heated Mirrors
The heated outside rearview mirrors turn on when the rear window defogger is on. (Rear Window Defogger): This button is on the climate control panel. See “Rear Window Defogger” under Dual Automa ...