Where is the horn fuse on a Lexus rx 400h?

In a Lexus RX 400h, the horn fuse is typically located in the fuse box under the hood. To access it, open the hood and find the fuse box near the battery. The specific fuse for the horn is usually labeled in the diagram on the fuse box cover. If you need to replace the fuse, refer to the owner's manual for the exact fuse number and rating.