How do you fix the horn for a Toyota Echo?

To fix the horn on a Toyota Echo, first check the fuse associated with the horn in the fuse box; if it's blown, replace it. Next, inspect the horn itself, which is usually located behind the front grille, and ensure it's securely connected and not damaged. If the horn is faulty, you may need to replace it. Lastly, test the horn by pressing the steering wheel button to ensure it functions properly after making adjustments or replacements.