See also:

Seat Belt Warning Light/Beep
The seat belt warning light illuminates and a beep sound will be heard if the driver's seat belt is not fastened when the ignition switch is turned to the ON position. Conditions of operation ...

When Warning Indicator/Beep is Activated
Under the following conditions, warning beeps are heard and a warning/indicator light in the instrument cluster illuminates to notify the driver of improper operation of the advanced key to prev ...

Horn
To sound the horn, press the mark on the steering wheel. ...