OnStar Services

See also:

Washing the Vehicle
To preserve the vehicle's finish, wash it often and out of direct sunlight. Notice: Do not use petroleum based, acidic, or abrasive cleaning agents as they can damage the vehicle's paint, metal, or p ...

Wheel Alignment
Wheel alignment is critical for ensuring that the tires deliver optimal wear and performance. • Signs that the alignment may need to be adjusted include pulling, improper vehicle handling, or unusu ...

Running the Vehicle While Parked
It is better not to park with the engine running. But if you ever have to, here are some things to know. WARNING Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine exhau ...