Horn
Press 
on the steering wheel pad to sound the horn.
See also:
2011 Cadillac CTS Review
Since its 2008 redesign, the Cadillac CTS has been a car you could point to
as evidence that GM can build world-class cars. It's classy, through and
through, and proves that when the automaker put ...
Global Positioning System (GPS)
The navigation system determines the position of the vehicle by using satellite
signals, various vehicle signals, and map data.
At times, other interferences such as the satellite condition, road c ...
Immobilizer Operation (Key Access)
This vehicle has a passive
theft-deterrent system.
The system does not have to be
manually armed or disarmed.
The vehicle is automatically
immobilized when the key is
removed from the igniti ...