It was around 3:00 p.m. when paramedics responded to Dakota Trail near Ohio Trail.
According to police, for unknown reason the teenager jumped out of the moving vehicle and struck his head.
According to witnesses the car was traveling around 25mph when the victim jumped.
The teen was said to be alert and conscious, but was flown to Capital Health Regional Medical Center in Trenton for treatment of a head injury.
Police are investigating.