OnStar Additional Information

See also:

Setting Preset Stations
To store presets: 1. Tune to a radio station. 2. Press and hold one of the six numbered pushbuttons for three seconds until a beep sounds. 3. Repeat Steps 1 and 2 to store additional radio stations ...

Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control equipment. For the inspection, the emission system test equipment is connected to the vehicle’s Data Link Connect ...

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 ...