OnStar

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Customer Assistance Offices (Mexico)
To contact the Customer Assistance Center (CAC), use the phone numbers listed in this section. Customer assistance is available Monday through Friday, 08:00 to 20:00 hours, and Saturdays from 08:00 t ...

Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your dealer first. Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's wa ...

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 ...