(a) Wreckers, tow trucks or car carriers designated as authorized emergency vehicles under subsection (c) of Kan. Stat. Ann. § 8-2010, and amendments thereto, shall operate such lights authorized under Kan. Stat. Ann. § 8-1720, and amendments thereto, only when such wreckers, tow trucks or car carriers are stationary and providing wrecker or towing service at the scene of a vehicle accident or providing emergency service on the side of a highway.

(b) The provisions of this section shall be part of and supplemental to the uniform act regulating traffic on highways.