25500.  (a) Area reflectorizing material may be displayed on any
vehicle, provided:  the color red is not displayed on the front;
designs do not tend to distort the length or width of the vehicle;
and designs do not resemble official traffic control devices, except
that alternate striping resembling a barricade pattern may be used.
   No vehicle shall be equipped with area reflectorizing material
contrary to these provisions.
   (b) The provisions of this section shall not apply to license
plate stickers or tabs affixed to license plates as authorized by the
Department of Motor Vehicles.