See also:

Store a Name Tag for Speed Dialing
1. Push . System responds: “OnStar ready.”. 2. Say “Store.” System responds: “Please say the number you would like to store.”. 3. Say the entire number without pausing. System resp ...

Different Size Tires and Wheels
If you add wheels or tires that are a different size than your original equipment wheels and tires, this may affect the way your vehicle performs, including its braking, ride and handling characte ...

OnStar®
For vehicles with an active OnStar subscription, OnStar uses several innovative technologies and live Advisors to provide a wide range of safety, security, navigation, diagnostics, and calling servi ...