OnStar Services

See also:

Windows
The power window switches are located on the driver door. Each passenger door has a switch that controls only that window. Press the switch to lower the window. Pull the front of the switch up to r ...

Cruise Control
Cruise Control : Press to turn the cruise control system on and off. : Press to disengage cruise control without erasing the set speed from memory. RES/+: Move the thumbwheel up to ma ...

Passing
You’ll need more passing distance up ahead when you’re towing a trailer. And, because you’re a good deal longer, you’ll need to go much farther beyond the passed vehicle before you can ret ...