Diagnostics

OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Transferring Service

Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has changed, ...

See also:

Inserting a disc in a desired position
1. Briefly press the button. If the magazine in the player has an idle position where you can insert a disc, the disc number indicator associated with the idle position will blink. The pos ...

Towing With HSA
HSA will provide assistance during acceleration on an incline while towing a trailer. WARNING! • If you use a trailer brake controller with your trailer, the trailer brakes may be activated a ...

Definition of terms for tires and loading
Tire ply composition and material used Describes the number of plies or the number of layers of rubber-coated fabric in the tire tread and sidewall. These are made of steel, nylon, polyester and ot ...