Why is my car horn still working when I lock the door?
Why is my car horn still working when I lock the door? If the horn is still working by pushing the horn switch, and the lock mechanism is still locking with the remote, then you have a relay problem. Most electrical components on a modern automobile are not wired directly from the switch to the device, they are operated through electrical relays. How can I unlock my car with the horn on? Try pressing both lock and unlock at the same time. Some vehicles have a function to toggle the horn when the vehicle recieves the lock signal depending on...