Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement.
For Vehicles with gasoline engines, please read this.
See also:
Voice Pass-Thru
Voice pass-thru allows access to the voice recognition commands on the cell phone. See your cell phone manufacturer's user guide to see if the cell phone supports this feature.
To access contacts sto ...
Immobilizer Operation
This vehicle has a passive theft-deterrent system.
The system does not have to be manually armed or disarmed. The vehicle is automatically
immobilized when the key is removed from the ignition.
Th ...
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 Diag ...