Abstract: A grip heater controlling apparatus controls an amount of current supplied from a power supply to a grip heater mounted on a handle grip on the steering handle of a motorcycle. The grip heater controlling apparatus has a single momentary switch operable by the driver of the motorcycle, and an amount-of-current controller for changing the amount of current cyclically to at least three levels, including 0, depending on the number of times that the momentary switch is operated.

Abstract: The installation structure of a roof rail in which the roof rail is attached to a vehicle inner panel provided underneath a roof panel, through a hole part provided in a roof panel, the installation structure includes: a protruding part which is provided protruding downward from a lower surface of the roof rail, is inserted into the hole part with a gap in-between, and is attached to an upper surface of the vehicle inner panel; and a watertight part which encloses the protruding part, and is flattened between the lower surface of the roof rail and the upper surface of the roof panel, wherein a part of the watertight part extends through the hole part and protrudes beyond the lower surface of the roof panel.