A recreational vehicle that is leased or rented must have in such vehicle a carbon monoxide detector in proper working order. All leases or rental agreements for a recreational vehicle shall contain language that the carbon monoxide detector in such recreational vehicle was tested, is in proper working order, and that a demonstration of the use of such equipment was performed for the lessee of the recreational vehicle. All leases or rental agreements for recreational vehicles shall contain the following statement, an acknowledgement of which shall be initialed or signed by the lessor and lessee of such vehicle: I CERTIFY THAT AT THE TIME OF THE RENTAL/LEASE OF THIS VEHICLE THAT IT IS EQUIPPED WITH A WORKING CARBON MONOXIDE DETECTOR.