Indiana Code Title 9. Motor Vehicles § 9-19-6-18

Sec. 18. (a) A motor vehicle may be equipped with not more than two (2) side cowl or fender lamps that emit an amber or a white light without glare.

(b) A motor vehicle may be equipped with not more than one (1) running-board courtesy lamp on each side that emits a white or an amber light without glare.

(c) A motor vehicle may be equipped with not more than two (2) back-up lamps either separately or in combination with other lamps. However, a back-up lamp must not be lighted when the motor vehicle is in forward motion.