Subaru Forester: Instruments and controls / Horn

To sound the horn, push the horn pad.
Other information:
At the time when a user is registered, the
seat position, outside mirror angle, and
reverse tilt-down outside mirror angle are
registered at the same time. To change the
setting for the seat position, outside mirror
angle, or reverse tilt-down outside mirror
angle, refer to “Driver Monitoring System
settings”...
NOTE
All vehicle doors (including rear gate)
and the engine hood must be closed
prior to activating the remote engine
start system. Any open entry point will
prevent starting or cause the engine to
stop.
The remote engine start system is activated
by pressing the fob button on your
remote engine starter transceiver (fob)
twice within 3 seconds...