Subaru Forester: Instruments and controls / Horn

To sound the horn, push the horn pad.
Other information:
..
The driver’s and front passenger’s SRS frontal airbags are not designed to
deploy
in most of the following cases.
If the vehicle is struck from the side or
from behind.
If the vehicle rolls onto its side or roof.
If the vehicle is involved in a low-speed
frontal collision...