Subaru Forester: Instruments and controls / Horn

To sound the horn, push the horn pad.
Other information:
When the system monitors that the driver
may be inattentive, it warns the driver.
When the inattentive driving warning activates,
the buzzer sounds and an interrupt
display appears on the combination meter
display.
When the EyeSight system has detected a
vehicle ahead or obstacle in the forward
direction, the inattentive driving warning
may activate at earlier timing than usual...
A passenger detection sensor is built into the front passenger seat cushion.
An electronic control unit evaluates occupant information and determines whether the front passenger air bag should be activated or deactivated.
The overhead console displays the PASSENGER AIR BAG OFF () indicator whenever the front passenger air bag has been switched off by the system...