OnStar

See also:

CD Player
The infotainment system's CD player can play audio CDs and MP3 CDs. CDs that are 8 cm (3 in) in diameter will not work in the CD player. ...

Drive Systems
All-Wheel Drive Vehicles with this feature always send engine power to all four wheels. It is fully automatic, and adjusts itself as needed for road conditions. When using a compact spare ti ...

Engine Coolant
The cooling system in the vehicle for all engines and the intercooler is filled with DEX-COOL®. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whic ...