Reactivation for Subsequent Owners
Push 
and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
Service Manuals
Service Manuals have the diagnosis
and repair information on the
engines, transmission, axle,
suspension, brakes, electrical,
steering, body, etc. ...
Courtesy Transportation Program (U.S. and Canada)
To enhance your ownership experience, we and our participating dealers are proud
to offer Courtesy Transportation, a customer support program for vehicles with the
Bumper-to-Bumper (Base Warranty ...
Programming without a Recognized Transmitter (Keyless Access Vehicles Only)
If there are no currently recognized transmitters available, follow this
procedure to program up to eight transmitters. This feature is not available in
Canada. This procedure will take approximatel ...