Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Rear Compartment Fuse
Block (CTS Wagon)
This fuse block is on the right side
of the vehicle, behind the trim panel
in the rear compartment.
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.
...
DVD Distortion
Video distortion can occur when operating cellular phones, scanners, CB
radios, Global Position Systems (GPSs), two-way radios, mobile faxes, or walkie
talkies.
It might be necessary to turn off ...
Instrument Panel Fuse Block
The instrument panel fuse block is located in the center console between the
driver and passenger seats. To access the fuses, open the fuse panel door from
the passenger side by pulling it out.
...