A horn that no longer functions can potentially become unsafe and must be repaired as soon as possible. You need always, on your Audi Q5, be able to report your presence thanks to this essential device. It may well simply be damaged and have a unusual sound on your Audi Q5, but nevertheless it is a problem that you must stop. The aim of this article is to accompany you step by step in this process because you will realize that you can do it yourself without going to the garage for your Audi Q5.
First, start by examining where the failure came from. Based on this you will find out what repairs to do.
We will help you step by step through the different tests:


Try honking the horn with the cover open. If you hear a sound, but much less strong than usual, it means that some tubes are impaired but some still work. in fact, on your Audi Q5 there are several trumpets that carry sound.
Step two, try to track down the horn. You will find it close to the radiator at the front of your car, near the grille. The grille is the small grille at the front of vehicles that enables air to enter while protecting the parts of your Audi Q5.

Horn cables unplugged on my Audi Q5

Once the horn is identified, we will try to disconnect and reconnect the connecting wires in order to perform a new test. To do this, take the two connected wires, pull them out by their ends towards you. There should also be a horn fixing bolt that you need to unscrew. Then clean it all up with a brush or something, then reconnect it all. Try honking your horn again. Does it work?
You have found the solution for your Audi Q5! If nothing changes, let’s go a little further in the tests and explanations.
You are faced with several solutions at this stage.

Faulty horn horn on my Audi Q5

You could buy another tube to replace the damaged ones if you have been able to identify them on your Audi Q5 thanks to the noise.

Fuse blown

you might want to also check the fuses. To find this fuse box, we invite you to look at our previous article on the subject:
“Where to find the fuse box on a Audi Q5”
You should also take a look in your vehicle owner’s manual for the fuse references of the horn fuse that you must determine precisely.
Once the fuse is identified, you can remove it using a pair of pliers. To verify if it is burned, have a look at the metal part. If this one is blown, your fuse has blown on your Audi Q5. It must therefore be replaced. If it looks new, it should not be questioned.
You can find this fuse in any car shop or garage. Test the horn again after the fuse has been changed. Is your horn working again? Congratulations! If this still doesn’t work for your Audi Q5, examine your dashboard and especially your airbag indicator light. If this one is on, there may be a link. Actually, it can have an influence on the rotating switch, a part that acts as a relay between the steering wheel and the horn. However, for an airbag indicator problem on your Audi Q5, it is wise to go to a professional as it is more challenging to manage alone.


Here are the different causes that could have an impact on your Audi Q5’s horn. Trumpets, fuses, rotating switch, airbag. Precisely identifying the fault will help you to solve it. Be careful to replace the fuse with an identical fuse of the same intensity.

To discover more tips on the Audi Q5, take a look at the Audi Q5 category.