1. Turn off the engine and allow the vehicle to cool down.
2. Open the hood.
3. Locate the horn assembly. It is usually mounted on the front of the vehicle, near the radiator.
4. Disconnect the horn connector. This will release the horn from power and allow you to remove it.
5. Remove the mounting screws. There are usually two screws holding the horn in place.
6. Lift the horn out of the vehicle.
7. Insert the new horn into the vehicle. Make sure that the mounting holes line up with the screws.
8. Replace the mounting screws.
9. Reconnect the horn connector.
10. Test the horn to make sure that it works.
Once you have replaced the horns, close the hood and start the engine. Test the horns to make sure that they work properly. If you have any questions, please consult a qualified mechanic.