OnStar Services

See also:

Engine Co
The cooling system in the vehicle is filled with DEX-COOL® engine coolant. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 miles), whichever occurs first. The fo ...

Customization Button
(Customization): Press the customization button to access the VEHICLE SETTINGS menu and customize the settings to your vehicle. ...

Rear Seats
The rear seatbacks can be folded. For detailed instructions, see Rear Seats . ...