GMC Sierra Owners Manuals

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Tire Pressure
Tires need the correct amount of air pressure to operate effectively. Notice: Neither tire underinflation nor overinflation is good. Underinflated tires, or tires that do not have enough air, can r ...

Exterior
There's hybrid badging on the cab's rear window, ahead of the side mirrors and on the tailgate, but otherwise the hybrid version looks similar to the gas-powered version. ...

Power Liftgate
On vehicles with a power liftgate, the vehicle must be in P (Park) to operate. The taillamps flash when the power liftgate moves. WARNING You or others could be injured if caught in the path of th ...