Why does the horn not work on your Renault laguna estate?

The horn on your Renault Laguna Estate may not work due to several reasons, including a blown fuse, a faulty horn switch, or a malfunctioning horn itself. Additionally, wiring issues or corrosion in the connections could also prevent the horn from functioning properly. It's advisable to check the fuse first, and if that's not the issue, examine the wiring and components for any signs of damage. If needed, consult a professional mechanic for a thorough diagnosis.