Service and Maintenance

See also:

Engine Drive Belt Routing
CTS V6 Engines CTS-V 6.2L V8 Engine ...

High-Beam On Light
This light comes on when the high-beam headlamps are in use. See Headlamp High/Low-Beam Changer for more information. ...

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 would w ...