Horn
Pressa 
on the steering wheel pad
to sound the horn.
See also:
Setting the Clock
To set the time and date for the radio with CD, DVD, and USB Port:
1. Turn the ignition key to ACC/ACCESSORY or ON/RUN, then press to turn the radio on.
2. Press to display HR, MIN, MM, DD, YYYY ( ...
Clock
To set the time:
1. Press the CONFIG button to enter the menu options. Turn the TUNE/MENU knob
to scroll through the available setup features. Press the TUNE/MENU knob or press
the Time screen bu ...
Using Universal Remote
Press and hold the appropriate Universal Remote button for at least half of a second. The indicator light will come on while the signal is being transmitted. ...