Uniform Tire Quality Grading

Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example:

See also:

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Special Application Services
Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi. Have underbody flushing service performed once a year. ...

Instrument Panel Overview
A. Air Vents . B. Headlamp High/Low-Beam Changer. Turn and Lane-Change Lever. See Turn and Lane-Change Signals . Driver Information Center (DIC) Buttons. See Driver Information Center (DIC) . ...