(a) After January 1, 1975, every motor vehicle shall be equipped with a mirror mounted on the left side of the vehicle and so located as to reflect to the driver a view of the highway to the rear of the vehicle.

(b) Every motor vehicle, except a motorcycle, shall be equipped with an additional mirror mounted either inside the vehicle approximately in the center or outside the vehicle on the right side and so located as to reflect to the driver a view of the highway to the rear of the vehicle.

(c) All mirrors required by regulations of the United States department of transportation shall be maintained in good condition.