OnStar Services

See also:

Third Row Seats
If the vehicle has a third row seat, the seatback can be folded, and the entire seat can be tumbled or removed from the vehicle. ...

Tire Pressure for High-Speed Operation
WARNING Driving at high speeds, 160 km/h (100 mph) or higher, puts an additional strain on tires. Sustained high-speed driving causes excessive heat buildup and can cause sudden tire failure. Yo ...

Heated Rear Seats
The buttons are on the Rear Sear Audio (RSA) panel on the rear of the center console. Press or to heat the left outboard or right outboard seat cushion and to cycle through the temperature s ...