A roof rack system 10 is provided, including at least one storage surface 20 movable between a first position 22 and a second position 24. A pipe inserted into a through-hole of an apparatus exterior body is fixed to the apparatus exterior body. The internal focus lens satisfies condition expressions 0. The base station and mobile terminal for location detection can perform location detection with high accuracy using the existing DSRC service. Subsequently, test code, which has at least some of the computer program code and mock code, is executed to enable testing of the computer program code.