OnStar Services
See also:
Exterior Lighting
The exterior lamps control is located on the instrument panel to the left of the steering wheel.
: Turns off the automatic headlamps and Daytime Running Lamps (DRL). Turn the headlamp control ...
Temperature – A, B, C
The temperature grades are A (the highest), B, and C, representing the tire's resistance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specif ...
Tire Sidewall Labeling
Useful information about a tire is molded into its sidewall.
The examples show a typical passenger vehicle tire and a compact spare tire sidewall.
Passenger (P-Metric) Tire Example
(A) Tire Size: ...





