If in the tunnels, during the movement of the vehicle, a vehicle breakdown occurred, due to which this vehicle was disabled:
Neither the driver nor the person being transported must smoke or handle an open flame . The independent heating of the disabled vehicle must be turned off in the tunnels .
The driver of the vehicle does not designate the vehicle as an obstacle to road traffic .
The driver of the vehicle and the persons transported may remain in the vehicle if they immediately reported the stop of the vehicle to the police or to the person supervising the operation of the tunnel .