Door lock system

A door lock system for a vehicle having a rear door and a front door in which an ingress/egress opening is opened and closed by the front door and the rear door which are double opening doors, the door lock system switching the rear door and the front door to lock or unlock, the door lock system comprising:

• a disablement mechanism configured to switch an inner handle and latch units between a connected state in which the disablement mechanism connects the inner handle and the latch units and a disconnected state in which the disablement mechanism disconnects the inner handle and latch units, the inner handle being connected to the disablement mechanism and being provided in the rear door, and the latch units being capable of keeping the rear door closed to the vehicle body;
• a base member in which the disablement mechanism is placed;
• and
• an operation member connected to the disablement mechanism and configured to come into contact with the front door, to work in response to the opening and closing of the front door, and thereby to switch the disablement mechanism between the connected state in which the disablement mechanism connects the inner handle and latch units and the disconnected state in which the disablement mechanism disconnects the inner handle and latch units, wherein
• the door lock system is provided in a front end portion of the rear door, and
• the operation member configured to come into contact with the front door is movably provided in the base member, and, when the front door is closed, the disablement mechanism disconnects the inner handle and the latch units in response to contact of the operation member with the closed front door.