See also:

Throttle and Brake Pedal Adjustment
On vehicles with this feature, you can change the position of the throttle and brake pedals. The control used to adjust the pedals is located on the instrument panel below the climate control sys ...

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

Windows
Press the front of the switch to lower the window. Pull the switch up to raise it. Pushing or pulling the switch part of the way will open or close the window as long as the switch is operated. ...