OnStar

See also:

Climate Controls
The heating, cooling, and ventilation in the vehicle can be controlled with this system. Climate Control with Cooled and Heated Seats shown A. Driver and Passenger Temperature Controls B. AUTO ...

Running the Vehicle While Parked
It is better not to park with the engine running. But if you ever have to, here are some things to know. WARNING! Idling a vehicle in an enclosed area with poor ventilation is dangerous. Eng ...

Lumbar Adjustment
To adjust the lumbar support: Press and hold the front or rear of the control to increase or decrease lumbar support. Press and hold the top or bottom of the control to raise or lower the ...