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:

Engine Overheating
If the vehicle has the Duramax® Diesel engine, see the Duramax Diesel Supplement for more information. The vehicle has several indicators to warn of engine overheating. There is a coolant temperatu ...

Exiting the Feature Settings Menu
The feature settings menu will be exited when any of the following occurs: • The vehicle is shifted out of P (Park). • The vehicle is no longer in ON/RUN. • The trip/fuel or vehicle informati ...

Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). ...