Horn
Pressaon 
the steering wheel pad
to sound the horn.
See also:
Reporting Safety Defects
to General Motors
In addition to notifying NHTSA
(or Transport Canada) in a situation
like this, notify General Motors.
Call 1-800-458-8006, or write:
Cadillac Customer
Assistance Center
Cadillac Motor Car Divi ...
Rear Climate Control System
For vehicles with the rear heat and air conditioning controls, they are
integrated with the rear seat audio controls located in the center console.
Rear Climate Control with Rear
Seat Audio C ...
Control of a Vehicle
Braking, steering, and accelerating are important factors in helping to control
a vehicle while driving. ...