Place a Call Using a Stored Number
1. Push 
. System responds:
“OnStar ready.”.
2. Say “Call <name tag>.”.
System responds: “OK, calling <name tag>.”
See also:
Different Size Tires and
Wheels
If wheels or tires are installed that
are a different size than the original
equipment wheels and tires, vehicle
performance, including its braking,
ride and handling characteristics,
stabil ...
When It Is Time for New Tires
Factors, such as maintenance, temperatures, driving speeds, vehicle loading,
and road conditions affect the wear rate of the tires.
Treadwear indicators are one way to tell when it is time for ne ...
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) T ...