See also:

Curve Tips
○ Take curves at a reasonable speed. ○ Reduce speed before entering a curve. ○ Maintain a reasonable steady speed through the curve ○ Wait until the vehicle is out of the cu ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...

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 ...