See also:

Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 ...

Fuel
Use of the recommended fuel is an important part of the proper maintenance of your vehicle. To help keep your engine clean and maintain optimum vehicle performance, GM recommends the use of gaso ...

Air Vents
Air Vents Use the louvers located on the air vents to change the direction of the airflow. Use the thumbwheels near the air vents to control the amount of airflow or to shut off the airflow. Oper ...