Subaru Forester: Instruments and controls / Horn

To sound the horn, push the horn pad.
Other information:
The engine can be automatically stopped
by the Auto Start Stop system when all of
the following conditions are met.
The engine is sufficiently warmed up.
The engine hood is closed.
The driver’s door is closed.
The driver’s seatbelt is fastened...
For safety and security reasons, the
remote engine start system will prevent
starting (or stop the engine if running) and
sound the horn twice if any of the following
conditions is detected. In addition, the fob
will flash and beep 3 times.
The total run-time has exceeded 20
minutes...