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:

Fog Lamps
The fog lamps control is located on the turn/lane change lever. Use the fog lamps for better vision in foggy or misty conditions. FOG (Fog Lamps): Turn the fog lamp band on the lever to and re ...

Variable Effort Steering
Some vehicles have a steering system that varies the amount of effort required to steer the vehicle in relation to the speed of the vehicle. The amount of steering effort required is less at slower s ...

Trailer Towing
Before pulling a trailer, there are three important considerations that have to do with weight: ○ The weight of the trailer ○ The weight of the trailer tongue ○ The total weight ...