See also:

Using Voice Commands During a Planned Route
Cancel Route 1. Push X. System responds: “OnStar ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel route directions to your destination?” 2. Say “Ye ...

Fuel
For diesel engine vehicles, see “Fuel for Diesel Engines” in the Duramax Diesel Supplement. For Vehicles with gasoline engines, please read this. ...

License Plate Lamp
To replace one of these bulbs: 1. Remove the two screws holding each of the license plate lamps to the liftgate trim. 2. Turn and pull the license plate lamp forward through the liftgate trim open ...