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 sy ...

Automatic Transmission
If the vehicle is a hybrid, see the hybrid supplement for more information. The vehicle has a Hydra-Matic® 6L80 automatic transmission, and has an electronic shift position indicator within the ins ...

Remote Start Auto Heated Seats
When on, this feature will turn the heated seats on when using remote start on cold days. Press the MENU/SELECT knob when Remote Start Auto Heated Seats is highlighted. Turn the knob to select On ...