Where the fuse for horn on Citroen c1 2009?

In the 2009 Citroën C1, the fuse for the horn is located in the fuse box under the dashboard on the driver's side. To access it, you may need to remove a cover panel. The specific fuse for the horn is typically labeled in the fuse box diagram; it's often a 10A or 15A fuse. Always refer to the owner's manual for the exact location and specifications.