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 responds: � ...

Remote Start Ready
If the vehicle does not have the remote vehicle start feature, it may have the remote start ready feature. This feature allows your dealer to add the manufacturer's remote vehicle start featur ...

Trailer Towing
If the vehicle has a diesel engine, see the Duramax diesel supplement for more information. If the vehicle is a hybrid, see the hybrid supplement for more information. Do not tow a trailer during br ...