See also:

OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. To ch ...

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 the first ...

Adding or Removing Categories
1. From the Home Page press the Config screen button or the CONFIG button on the faceplate. 2. Select Radio Settings from the Config Menu list. 3. Select Add/Remove XM Categories. 4. From the Add ...