I would use a Point light inside the physical light (object) on the police car and
turn OFF (uncheck) "Casts shadows" for the physical light (object(s)) on the police car.

Glad you like the"U" .......... it's a work in progress ... ;=]

cheers,
dr geep
;=]

Remember ... "With Poser, all things are possible, and poseable!"

cheers,

dr geep ... :o]

edited 10/5/2019