Subaru Forester: Instruments and controls / Horn

To sound the horn, push the horn pad.
Other information:
So that it can be used safely and comfortably,
the Auto Start Stop system is
designed to constantly monitor the vehicle
conditions as well as the environment
inside and outside the vehicle in addition
to driver operations, and to provide various
warnings to the driver via the warning light
and/or indicator light illuminating or flashing
and a buzzer sounding...
The alarm system becomes armed when
the following operation is performed.
Close all windows and the moonroof (if
equipped) and turn the ignition switch to
the “OFF” position.
Carry the key and get out of the
vehicle.
Make sure that the engine hood is
locked...