Subaru Forester: Instruments and controls / Horn

To sound the horn, push the horn pad.
Other information:
Always block the wheels under both
vehicle and trailer when parking. Apply
the parking brake firmly. You should not
park on a hill or slope. If parking on a hill or
slope cannot be avoided, you should take
the following steps:
Apply the brakes and hold the pedal
down...
WARNING
Do not put any objects (including
straps or cords) over the steering
wheel pad, column cover, or
dashboard.
These objects could be entangled
with the steering
wheel, preventing the SRS
frontal airbag, etc. from operating
properly...