A system includes lights coupled to a vehicle power supply source. One light is located at the vehicle's rear window. Remaining lights are independently and simultaneously operable with the one light. A mechanism is included for determining whether the vehicle is parked. Another mechanism determines whether a vehicle brake pedal has been engaged beyond a threshold level while the vehicle is not parked. A further mechanism flashes the one light and is mated to the park determining mechanism for activating the one light when the vehicle is parked and the brake pedal is engaged. The flashing mechanism is coupled to the brake pedal pressure level determining mechanism for activating the one light when the vehicle is not parked and the brake pedal is engaged beyond the threshold level. The flashing mechanism is automatically reset to a non-operating mode when the brake pedal is disengaged during parked and non-parked conditions.