OnStar Services

See also:

Total Weight on the Vehicle's Tires
Be sure the vehicle's tires are inflated to the inflation pressures found on the Certification label on the driver door or see Vehicle Load Limits   for more information. Make sure n ...

Keyless Unlock
If the vehicle has the keyless access system, this feature allows you to select which doors will automatically unlock when you approach the vehicle with the keyless access transmitter and ...

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. ...