OnStar Services

See also:

Making a Call
Calls can be made using the following commands. Dial or Call: The dial or call command can be used interchangeably to dial a phone number or a stored name tag. Digit Dial: This command allows a ph ...

Heated and Ventilated Seats
On vehicles with heated and ventilated seats, the ignition must be on to use the feature. Driver’s Side Buttons shown The buttons are located on the front doors. (Heated Seat Cushion and S ...

Engine Identification
The eighth character in the VIN is the engine code. This code identifies the vehicle’s engine, specifications, and replacement parts. See “Engine Specifications” under Capacities and Speci ...