OnStar Services

See also:

Programming without a Recognized Transmitter
United States owners are permitted to program a new transmitter to their vehicle when a recognized transmitter is not available. The Canadian immobilizer standard requires that Canadian own ...

Hands-Free Calling
1. Push . System responds: “OnStar ready.”. 2. Say “Dial.” System responds: “Please say the name or number to call.”. 3. Say the entire number without pausing, including a “1” and the area c ...

Underbody Maintenance
Use plain water to flush dirt and debris from the vehicle's underbody. Your dealer or an underbody car washing system can do this. If not removed, rust and corrosion can develop. ...