See also:

Vehicle Overview
GM says the Sierra 1500 Hybrid's gasoline V-8 and electric motors team up for an overall mileage improvement compared with the regular Sierra. The Sierra Hybrid is only available as a rear- or fou ...

Power Outlets
The vehicle has 12-volt outlets that can be used to plug in electrical equipment, such as a cell phone or MP3 player. The power outlets are located on the instrument panel below the climate controls, ...

Highway Hypnosis
Always be alert and pay attention to your surroundings while driving. If you become tired or sleepy, find a safe place to park the vehicle and rest. Other driving tips include: ○ Keep the ve ...