OnStar Services

See also:

Trunk Release
To open the trunk, press the touchpad (A) under the vehicle emblem. To close the trunk, use the pull cup (A) as an aid. ...

Electric Parking Brake Light
The Electric Parking Brake (EPB) light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. The parking brake status light comes on w ...

Tire Rotation
Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule . Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. Any time unusu ...