Because of her distraction he runs over something, blowing out a tire. Gibson stops to change the tire, but immediately vanishes when he gets out of the car. Traci searches for him, but only finds a bloody tire iron.
Because of her distraction, he accidentally hits something with his car, causing a flat tire.  Gibson stops to fix it, but then vanishes after getting out of the car. Traci looks for him, finding only a bloodied tire iron.