The cold-tire pressure of the vehicle tires shall be maintained at not less than the cold tire pressure recommended by the manufacturer of the vehicle.
When mounted upon a vehicle, a taximeter shall be so located that its face can be seen by a passenger from the rear compartment of the vehicle. Adequate lighting facilities shall be provided for so illuminating the face of the taximeter that the indications thereof may be conveniently read by the passenger, and the face of the taximeter shall be so illuminated whenever the taximeter is in operation and artificial illumination is necessary for the convenient reading of its indications.