(a) A manufacturer or distributor may not require any new motor vehicle dealer in this state to do any of the following:
(1) Order or accept delivery of any new motor vehicle, part or accessory of the vehicle, equipment, or any other commodity not required by law which was not voluntarily ordered by the new motor vehicle dealer. This section does not prevent the manufacturer or distributor from requiring that new motor vehicle dealers carry a reasonable inventory of models offered for sale by the manufacturer or distributor;