See also:

CALIBRATING DRIVE IN CIRCLES
This message displays when calibrating the compass. Drive the vehicle in circles at less than 8 km/h (5 mph) to complete the calibration. See Compass for more information. ...

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

Wheel Alignment and Tire Balance
The tires and wheels were aligned and balanced at the factory to provide the longest tire life and best overall performance. Adjustments to wheel alignment and tire balancing will not be necessary ...