See also:

Headlamp Aiming
The vehicle has a visual optical headlamp aiming system. The aim of the headlamps has been preset at the factory and should need no further adjustment. However, if the vehicle is damaged in a crash, ...

New for 2010
GM has dropped the long-running 6.0-liter V-8 engine from the Sierra lineup, leaving the powerful 6.2-liter V-8 for heavy towing needs. The rest of the Sierra's eight-cylinder lineup benefits from ...

Using the Outside Mirror with the Blind Spot Mirror
1. Set the main mirror so that the side of the vehicle can just be seen and the blind spot mirror has an unobstructed view. 2. When checking for traffic or before changing a lane, look at the main ...