See also:

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 ...

Tire Designations
Tire Size The following is an example of a typical passenger vehicle tire size. (A) Passenger (P-Metric) Tire: The United States version of a metric tire sizing system. The letter P as th ...

Passive Entry
This allows the Passive Entry feature to be turned on or off. Press SELECT when Passive Entry is highlighted. Turn the Menu knob to select On or Off. Press SELECT to confirm the selection. Pr ...