A) Pull up in front of the car, turn on all lights and the siren, and move quickly toward the vehicle.
B) Pull up in front of the car, turn on all lights, and stay in the ambulance to determine scene safety.
C) Pull up behind the car, use spotlights to "blind" the occupant, and approach cautiously until you perceive that there is no hostile intent.
D) Park behind the car at a safe distance, remain in the ambulance, and wait for law enforcement to arrive and ensure scene safety.