OnStar Services

See also:

XM™ Satellite Radio Service
XM Satellite Radio Service gives digital radio reception from coast to coast in the 48 contiguous United States, and in Canada. Just as with FM, tall buildings or hills can interfere with sa ...

Windows
Pushing or pulling the switch part of the way will open or close the window as long as the switch is operated. Fully push the front of the switch down and release it to express—down the windo ...

Ultrasonic Parking Assist
If available, the Ultrasonic Rear Parking Assist (URPA) system uses sensors on the rear bumper to assist with parking and avoiding objects while in R (Reverse). WARNING The URPA system does n ...