Subaru Forester: Instruments and controls / Horn

To sound the horn, push the horn pad.
Other information:
Turn the engine OFF.
Make sure the driver's door is unlocked.
Press the rear center edge of the fuel filler door.
Pull the fuel filler door outward until it is fully open...
WARNING
To avoid accidental activation of
the system or rendering the system
inoperative, which may result
in serious injury, no modifications
should be made to any
components or wiring of the SRS
airbag system.This includes following modifications...