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:

Under the Hood
195-horsepower, 4.3-liter V-6 with iron block and cylinder heads, cam-in-block, two valves per cylinder and 260 pounds-feet of torque 302-hp, 4.8-liter V-8 with iron block and aluminum cylinder hea ...

Rear Window Defogger
For vehicles with a rear window defogger, a warming grid is used to remove fog from the rear window. (Rear): Press to turn the rear window defogger on or off. An indicator light on the button comes ...

Safety Locks
The vehicle has rear door security locks to prevent passengers from opening the rear doors from the inside. Open the rear doors to access the security locks on the inside edge of each door. To set ...