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:

Fuses and Circuit Breakers
The wiring circuits in your vehicle are protected from short circuits by a combination of fuses, circuit breakers and fusible thermal links. This greatly reduces the chance of fires caused by electri ...

Range Selection Mode
Range Selection Mode The Range Selection Mode switch, if equipped, is located on the shift lever. To enable the Range Selection feature: 1. Move the column shift lever to the M(Manual) position ...

Reducing Speed While Using Cruise Control
If the cruise control system is already activated, . Press and hold the SET– button on the steering wheel until the desired lower speed is reached, then release it. • To slow down in small amount ...