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:

Driving on Snow or Ice
Drive carefully when there is snow or ice between the tires and the road, creating less traction or grip. Wet ice can occur at about 0°C (32°F) when freezing rain begins to fall, resulting in even ...

Automatic Dimming Mirror
If the vehicle has the automatic dimming mirror, the driver outside mirror automatically adjusts for the glare of the headlamps from behind. This feature is controlled by the on and off setting on th ...

Driver Information Center (DIC) (Without DIC Buttons)
If your vehicle does not have DIC buttons, the information below explains the operation of this system. The DIC has different displays which can be accessed by pressing the trip odometer reset stem l ...