VEHICLE ACCESSORY AND ON-VEHICLE ANTENNA

PROBLEM TO BE SOLVED: To surely fix an antenna element and to make adjustment of the characteristic of the antenna element easier.SOLUTION: Behind a spoiler 10, a plurality of lateral grooves 22 extending in a lateral direction of a vehicle and a plurality of longitudinal grooves 24 extending in a to-fro direction of a vehicle are formed. By the plurality of lateral grooves 22 and the plurality of longitudinal grooves 24, a lattice-like groove 26 is formed as a lattice-like groove for arranging an antenna element 16. The antenna element 16 is formed of a conductive wire. One end of the antenna element 16 is connected to an amplifier 18 and the other end is opened. The antenna element 16 is inserted in a passage which runs from the amplifier 18, passing through a power feeding groove 28 and the longitudinal groove 24 at right end, to a rear end thereof, and then, to a vicinity of the longitudinal groove 24 at left end after running along the rearmost lateral groove 22, to be fixed to the spoiler 10.