OnStar Additional Information

See also:

Vehicle Customization
Some vehicle features can be programmed by using the DIC buttons next to the steering wheel. These features include: • Language • Door Lock and Unlock Settings • RKE Lock and Unlock Feedback ...

Tire Rotation
Tires should be rotated every 12 000 km (7,500 mi). See Maintenance Schedule on page 11‑3. Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. ...

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 ...