Skip the auto shop - Our mechanics make house calls

Q: Car horn going off in the middle of the night

asked by on

The car horn is going off in the middle of the night.

A: It is possible that horn button may be sens...

It is possible that horn button may be sensitive to the change in temperature and be making contact in the night when the outside temperature changes. I recommend seeking a certified mechanic, like one from YourMechanic, to come and test your vehicle for you to determine if the horn needs to be replaced.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Rough slow before 40

Thanks for writing in about your 2000 Mercedes Benz ML430. The fault codes need to be read out of the engine computer. It sounds like there could be a mixture issue causing the rough running and power loss. The MAF...

Q: Horn stopped working.

The horn is powered by the fuse you changed out. The control is the horn button and it goes through the steering wheel and clock spring behind the steering wheel. The horn relay gets power from the fuse and control...

Q: Race disconnection

You didn't mention if your Check Engine Light is on. But if it is, have a certified technician, like one from YourMechanic, or someone with a scan tool, read your diagnostic trouble codes. That will help point you and the...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.