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:

Maintenance Records
After the scheduled services are performed, record the date, odometer reading, who performed the service, and the type of services performed in the boxes provided. Retain all maintenance receipts. ...

When to Add Engine Oil
2.4L L4 Engine 3.0L V6 Engine If the oil is below the cross-hatched area at the tip of the dipstick, add 1 L (1 qt) of the recommended oil and then recheck the level. See “Selecting the Righ ...

Shutting the Engine Off After a Remote Start
To manually shut off a remote start: • Aim the RKE transmitter at the vehicle and press until the parking lamps turn off. • Turn on the hazard warning flashers. • Turn the ignition switch on ...