An information recording medium is provided with a plurality of recording layers to record therein record information, and property information indicating properties of the each recording layer is recorded in each of the plurality of recording layers. The playlist need not be maintained in a vehicle; preferably it is maintained on a user’s equipment such as a computer, PDA, MP3 player or the like. The pawl is selectively movable between latched and unlatched positions in response to rotational movement of the crank member.