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:

Battery
Refer to the replacement number on the original battery label when a new battery is needed. WARNING Battery posts, terminals, and related accessories contain lead and lead compounds, chemicals known ...

Trailer Wiring Harness
Basic Trailer Wiring The trailer wiring harness, with a seven-pin connector, is located at the rear of the vehicle and is tied to the vehicle's frame. The harness connector can be plugged into a seve ...

MP3 Radio with a Six-Disc CD Player
To set the time and date: 1. Turn the ignition key to ACC/ ACCESSORY or ON/RUN, then press the button to turn the radio on. 2. Press the MENU button and then the softkey under the tab to display H ...