horn stopped working

[ferrett]

my horn stopped working i pressed the rear window heater switch and the horn started working again and that happened 2 days before the mot was due my airbag light is also on  7.5k miles apart from the hassle because in 40 years of driving i never use the horn lol 

[Trevor]

Hi...welcome to the Forum

Sounds like a wiring or body control fault....or could even be a poor earth. Either way, I would take it to an Auto Electrician to check out.

I very rarely use the horn either...don't often need to.

Cheers  Trevor