OnStar Services
See also:
Head Restraint Adjustment
Do not drive until the head restraints for all occupants are installed and adjusted properly.
To achieve a comfortable seating position, change the seatback recline angle as little as necessary whi ...
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 ...
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 ...





