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:

Cargo Cover
For vehicles with a cargo cover, it can be used to cover items in the rear of the vehicle. To install the cover, place the loops on each corner of the cover on the four hooks in the rear of the vehicl ...

Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...

Steering Wheel Controls
Some audio steering wheel controls can be adjusted at the steering wheel. : Press to interact with the available Bluetooth or OnStar systems. : Press to silence the vehicle speakers only. Pre ...