OnStar

See also:

Headlamp Aiming
The vehicle has a visual optical headlamp aiming system. The aim of the headlamps have been preset at the factory and should need no further adjustment. However, if the vehicle is damaged in a cras ...

Engine Oil
To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment: - Always use e ...

Compass Calibration Procedure
1. Before calibrating the compass, check that the compass is set to the correct variance zone. See “Compass Variance (Zone) Procedure” earlier in this section. Do not operate any switches ...