Horn
Pressa 
on the steering wheel pad
to sound the horn.
See also:
Steering Wheel Adjustment
The tilt lever is located on the lower left side of the steering column.
To adjust the steering wheel:
1. Hold the steering wheel and pull the lever.
2. Move the steering wheel up or down.
3. Re ...
What to Use
WARNING
Adding only plain water or some other liquid to the cooling system can be dangerous.
Plain water and other liquids, can boil before the proper coolant mixture will.
The coolant warning sy ...
Using the “Delete All Name Tags” Command
This command deletes all stored name tags in the Hands-Free Calling Directory and the OnStar Turn-by-Turn Destinations Directory, if equipped.
To delete all name tags:
1. Press and hold for two sec ...