Onstar.com
The website provides access to account information, manages the OnStar subscription, and allows viewing of videos of each service.
Get subscription plan pricing and sign up for OnStar Vehicle Diagnostics. Click on the “My Account” tab on the home page.
See also:
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the vehicle's engine power is reduced.
Reduced engine power can affect the vehicle's ability to accelerate.
If this message is on, but there is no ...
Theft-Deterrent Feature
THEFTLOCK® is designed to discourage theft
of your vehicle’s radio. The feature works
automatically by learning a portion of the Vehicle
Identification Number (VIN). If the radio is
moved to a ...
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 ...