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:

Door Ajar Messages
DRIVER DOOR OPEN This message displays and a chime sounds if the driver door is not fully closed and the vehicle is shifted out of P (Park). Stop and turn off the vehicle, check the door for obstruct ...

DIC Buttons
The buttons are the trip/fuel, vehicle information, customization, and set/ reset buttons. The button functions are detailed in the following pages. (Trip/Fuel): Press this button to display the o ...

Filling a Portable Fuel Container
WARNING Never fill a portable fuel container while it is in the vehicle. Static electricity discharge from the container can ignite the fuel vapor. You can be badly burned and the vehicle damaged if ...