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:

Driving on Hills
Driving safely on hills requires good judgment and an understanding of what the vehicle can and cannot do. WARNING If the vehicle has the two-speed automatic transfer case, shifting the transfer cas ...

Owner Checks and Services
At Each Fuel Stop • Check the engine oil level. See Engine Oil on page 10‑7. Once a Month • Check the tire inflation pressures. See Tire Pressure on page 10‑62. • Inspect the tir ...

StabiliTrak® Indicator Light
This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light goes off. If it stays on, or ...