Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have
them sent to the vehicle navigation screen. Destinations can also be forwarded to
the v ...
StabiliTrak® System
The vehicle has a vehicle stability enhancement system called StabiliTrak.
It is an advanced computer controlled system that assists with directional
control of the vehicle in difficult driving cond ...
Wheels and Trim—Aluminum
or Chrome
Use a soft, clean cloth with mild
soap and water to clean the wheels.
After rinsing thoroughly with clean
water, dry with a soft, clean towel.
A wax may then be applied.
Notice: Chrome wheels a ...