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:
Using the Radio
(Power/Volume): Press to turn the system on and off.
Turn clockwise or counterclockwise to increase or decrease the volume.
(Information) (AM-FM Radio and AM-FM Radio with CD): Press to switch the ...
Blizzard Conditions
Being stuck in snow can be a serious situation. Stay with the vehicle unless there is help nearby.
If possible, use the Roadside Assistance Program (U.S. and Canada) on page 13‑8 or Roadside As ...
Remote Vehicle Start
If available, this feature allows you to start the engine from outside of the vehicle. It may also start up the vehicle's heating or air conditioning systems and rear window defogger.
Normal operatio ...