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 wear one and a half (1½) times as well on the government course as a tire graded 100. The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices and differences in road characteristics and climate.
See also:
Starting the Vehicle Messages
PRESS BRAKE TO START VEHICLE
This message is displayed when attempting to start the vehicle without first
pressing the brake pedal.
SERVICE KEYLESS START SYSTEM
This message is displayed if ...
Rear Window Defogger
(Rear Window Defogger):
Press to turn the rear window defogger on or off.
The rear window defogger turns off automatically after about 10 minutes. If
turned on again it runs for about five minu ...
Insuring the Vehicle
Protect your investment in the GM vehicle with comprehensive and collision insurance
coverage. There are significant differences in the quality of coverage afforded
by various insurance policy ter ...






