See also:

OnStar Overview
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. The OnStar system s ...

StabiliTrak® System
The vehicle has an electronic stability control system called StabiliTrak. It is an advanced computer controlled system that assists with directional control of the vehicle in difficult driv ...

Sedan or Coupe
To lower one or both of the rear seatbacks: 1. Pull forward on the tab, on the outboard side of the seatback, to unlock the seatback. 2. Fold the seatback down. This allows access to the tr ...