See also:

Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has chan ...

Side Blind Zone Alert System
If equipped, this feature allows the Side Blind Zone Alert System feature to be turned on or off. Press SELECT when Side Blind Zone Alert System is highlighted. Turn the Menu knob to select On ...

Active Fuel Management™
Your vehicle’s V8 engine may have Active Fuel Management™. This system allows the engine to operate on either all or half of its cylinders, depending on your driving conditions. When less po ...