Vehicle door locking apparatus and control method therefor

摘要

A vehicle door locking system comprises a control portion for performing control operations of changing positions of lock levers into locking positions and of changing positions of anti-theft mechanisms into anti-theft positions. The control portion causes sending means to send out a warning signal for a predetermined time period, when a faulty change in position of the lock levers or the anti-theft mechanisms occurs. If a key cylinder or a transmitter is operated during the signal is sent out, the warning signal is stopped even before the predetermined time period has elapsed.