Horn Switch: Note
WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
Horn switch is a unit with the driver's airbag module.
For the horn switch operation procedure, refer to "Driver's Airbag Module" in the "AIRBAG SYSTEM". Ref. to AIRBAG SYSTEM>DRIVER'S AIRBAG MODULE