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:
Vehicle Information Menu Items
(Vehicle Information): Press this button to scroll through the following menu items:
OIL LIFE
Press the vehicle information button until OIL LIFE REMAINING displays. This display shows an estimate ...
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 ...
Power Door Locks
With power door locks, the switches on the front doors can be used to lock and unlock the vehicle.
If available, the switches are on the front doors.
(Unlock): Press to unlock the doors.
(Lock): Pr ...