with some other device approved by the Administrator,] by means of which the driver
may cause both front and both rear turn signals to flash simultaneously as a
vehicular traffic hazard warning.

22-230.

(a) A person may not have for sale, sell, or offer for sale for use on or as a part
of the equipment of a motor vehicle, trailer, semitrailer, or pole trailer any headlamp,
auxiliary or fog lamp, rear lamp, signal lamp, or reflector, which reflector or lamp is
required under this title, or parts of any of the foregoing, which tend to change the
original design or performance[, unless of a type that has been submitted to the
Administrator and approved by him].

(b) A person may not use on a motor vehicle, trailer, semitrailer, or pole trailer
a headlamp, auxiliary or fog lamp, rear lamp, signal lamp, or reflector, which reflector
or lamp is required under this title, or parts of any of the foregoing, which tend to
change the original design or performance[, unless of a type that has been submitted
to, and approved by, the Administrator].

(c) [A person may not have for sale, sell, or offer for sale for use on or as a part
of the equipment of a motor vehicle, trailer, semitrailer, or pole trailer any lamp or
device mentioned in this section that has been approved by the Administrator unless
the lamp or device bears on it the trademark or name under which it is approved so as
to be legible when installed.

(d) ] A person may not use on any motor vehicle, trailer, semitrailer, or pole
trailer any lamp or reflector that tends to change its original design or performance[,
unless the lamp or reflector is of a type that has been approved by the Administrator
and is mounted, adjusted, and aimed in accordance with rules and] IN VIOLATION OF
regulations adopted by the Administrator.

22-401.

(e) Every emergency vehicle shall be equipped with a siren, whistle, or bell
capable of emitting sound audible under normal conditions from a distance of not less
than 500 feet [and of a type approved by the Administration]. However, the siren
may not be used except when the vehicle is operated in response to an emergency call
or in the immediate pursuit of an actual or suspected violator of the law, in which
latter events the driver of the vehicle shall sound the siren when reasonably
necessary to warn pedestrians and other drivers of the approach of the vehicle.

22-403.

(a) Every motor vehicle shall be equipped with at least one mirror located to
reflect to the driver a view of the highway for a distance of at least 200 feet to the rear
of the vehicle.

(b) Every motor vehicle registered in this State shall be equipped with an
outside mirror on the driver's side located to reflect to the driver a view of the
highway for a distance of at least 200 feet to the rear of the vehicle and along the
driver's side of the vehicle. This subsection does not apply to motorcycles, which are
governed by subsection (c) of this section.