OnStar®

OnStar® uses several innovative technologies and live advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services.
See also:
Brakes
This vehicle has disc brakes. Disc brake pads have built-in wear indicators that make a high-pitched warning sound when the brake pads are worn and new pads are needed.
The sound can come and go or b ...
Services Not Included in Roadside
Assistance
• Impound towing caused by violation of any laws.
• Legal fines.
• Mounting, dismounting or changing of snow tires,
chains, or other traction devices.
• Towing or services for vehicles dr ...
Accessories and Modifications
Adding non-dealer accessories or making modifications
to the vehicle can affect vehicle performance and safety, including such things
as airbags, braking, stability, ride and handling, emissions s ...
