OnStar®

If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. See OnStar Overview  ...

Keys and Locks

...

See also:

Extended off-road height
If grounded in severe off-road conditions, the system may automatically enter Extended mode. The off-road height indicator flashes and a message will be displayed in the message center. In extende ...

Top Tether
WARNING   Always lock the rear seat backrests in their upright position when the rear seats are occupied by passengers. Lock the rear seat backrests in their upright position before ins ...

Detachable panel (3rd row of seats)
If you drop objects underneath the seats in the 3rd row, you can remove the panel in order to reach beneath the seat. If there are objects underneath the seat, the seat can no longer be folded u ...