KEYLESS ENTRY DEVICE

PROBLEM TO BE SOLVED: To grasp accurately the state of a vehicle and lock or unlock a door by locking a plurality of actuators even when a locked state of a door of a driver seat is detected even if a conforming determination is made with a determination means. SOLUTION: In case when a driver's seat door is in an unlocked state and all doors are in a closed state, actuators from M1 to M4 are operated to lock all doors if a code signal peculiar to a vehicle is received. When all doors are closed and the driver's seat is locked, if either door is opened, a driver comes off and locks the whole doors. After that, a personnel remaining in the car tries to unlock by operating a door lock knob from inside and opens the doors and determines that all have come off. If the code signal peculiar to the vehicle is received, the actuators M1 to M4 are operated to lock every door even when the driver's seat door is locked. In case when the whole doors are closed with the driver's seat door in a locked state, the actuators M1 to M4 are operated to lock the whole doors.