Horn
Pressaon 
the steering wheel pad
to sound the horn.
See also:
Customer Satisfaction Procedure (U.S. and Canada)
Your satisfaction and goodwill are important to your dealer and to Cadillac.
Normally, any concerns with the sales transaction or the operation of the
vehicle will be resolved by your dealer's sales ...
Window Lockout
(Window Lockout): This feature
prevents the rear passenger
windows from operating, except
from the driver position.
Press to activate the rear window
lockout switch. The LED light comes
...
Traction Control System (TCS)/StabiliTrak® Light
The StabiliTrak or Traction Control
System (TCS) indicator/warning
light comes on briefly when the
engine is started.
If the light does not come on, have
the vehicle serviced by your dealer ...