Horn
Press 
on the steering wheel pad to sound the horn.
See also:
Programming with a Recognized Transmitter (Keyless Access Vehicles Only)
A new transmitter can be programmed to the vehicle when there is one
recognized transmitter.
To program, the vehicle must be off and all of the transmitters, both
currently recognized and new, mu ...
Control Buttons
The buttons used to control the radio are:
RADIO/BAND: Press to turn the radio on and choose between AM, FM, and XM™,
if equipped.
MENU/SELECT: Press and turn to navigate the available menus.
...
General Information
Your vehicle is an important investment. This section describes the required
maintenance for the vehicle. Follow this schedule to help protect against major
repair expenses resulting from neglect ...