Subaru Forester: Instruments and controls / Horn

To sound the horn, push the horn pad.
Other information:
With the ignition switch turned to the “ON”
position, this device reminds the driver and
front passenger to fasten their seatbelts by
illuminating the warning lights in the locations
indicated in the following illustration
and sounding a chime...
In any of the following cases, the Auto
Start Stop system will not operate.
When the Auto Start Stop warning light/
Auto Start Stop OFF indicator light (yellow)
is illuminating or flashing.
When the malfunction indicator light
(Check Engine light) is illuminating...