Requires every passenger car manufactured or assembled after September 1, 1985; and every passenger truck, passenger van, or passenger sports utility vehicle manufactured or assembled after September 1, 1993, to be equipped with a rear center high-mounted stop lamp meeting the requirements of RCW 46.37.200(3).

Provides that any vehicle may be equipped and when required under chapter 46.37 RCW shall be equipped with a center high-mounted stop lamp mounted on the center line of the rear of the vehicle. These stop lamps shall display a red light visible from a distance of not less than three hundred feet to the rear in normal sunlight, and shall be actuated upon application of a service brake, and may not be incorporated with any other rear lamps.