163. The following are major defects:(1) a road vehicle without at least one adequate low beam in good working order;
(1.1) a single-unit road vehicle or the last vehicle in a combination of vehicles without at least one adequate taillight and brake light in good working order;
(1.2) a single-unit road vehicle or the last vehicle in a combination of vehicles, where such a vehicle has a gross vehicle weight rating of 4,500 kg or more without at least one turn-signal light located at the rear right or rear left in good working order;
(2) a door of the passenger compartment or front hood that does not engage fully when closed;
(3) a safety system against the accidental opening of doors that is out of order, in the case of a bus equipped with automatic doors;
(4) an emergency exit that is blocked or inadequate or a warning light or buzzer that is out of order;
(5) the floor of the passenger compartment that is so perforated that it constitutes a hazard for passengers by reason of a lack of solidity;
(6) a part of the body, equipment or an accessory that is not securely fixed and that might fall off or the passenger access device that does not retract completely;
(7) a windshield so damaged that the driver’s visibility of the road and road signs is considerably reduced;
(8) a missing or inadequate wiper on the driver’s side;
(9) the seat belt of the driver’s seat is missing, inadequate or modified; and
(10) an air bag for the driver that is missing, modified or inadequate.