Horn
Pressa 
on the steering wheel pad
to sound the horn.
See also:
Anti-theft Alarm System Messages
THEFT ATTEMPTED
This message displays if the vehicle detects a tamper condition. ...
Satellite Radio
For vehicles equipped with the MyLink or IntelliLink infotainment system, see
the separate MyLink/ IntelliLink Features and Functions Guide for more information.
Vehicles with an XM™ Satellite Ra ...
Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information.
The cooling system allows the engine to maintain the correct working temperature.
5.3 L En ...