While driving the horn went off and would not turn off

2004 BMW 530I

130,000 MILES

JANELLEB410

MEMBER
1 POST

I was in the middle of driving and all of the sudden my car horn went on. The horn stays on unless I put the car in park and turn it off. As soon as I turn my key to turn the car back on, the horn starts up again. How do I get it to turn off?

Feb 17, 2019 at 10:46 AM

STRAILER

✓ASE Certified Mechanic
54,832 POSTS

It sounds like the horn switch in the pad is stuck on but to be sure lets remove horn pad to remove the wires. Here is a wiring diagrams so you can see how the system works in the diagrams below and a guide to walk you through the steps:

https://www.2carpros.com/articles/air-bag-removal-steering-wheel

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Images (Click to enlarge)

Professional Diagram for 2CarPros Members
Click here to log in and view diagram.

Feb 19, 2019 at 5:49 PM