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:
Emergency
With Automatic Crash Response, the built-in system can automatically connect
to help in a crash even if you cannot ask for it.
Push to connect to an Emergency
Advisor. GPS technology is used to ...
Loss of Control
Let us review what driving experts say about what happens when the three control systems—brakes, steering, and acceleration—do not have enough friction where the tires meet the road to do what the ...
How OnStar Service Works
Push this blue button to connect to a specially trained OnStar Advisor to verify your account information and to answer questions.
Push this red emergency button to get priority help from specially ...