Visual Confirmation Of Lock Or Unlock
WARNING: This page is about a different car, the 2002 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
During lock operation, when the wireless door lock ECU receives a lock signal from the door unlock detection switch, the taillight and parking light is flashed once. During unlock operation, when the wireless door lock ECU receives an unlock signal from the door unlock detection switch, the taillight and parking lights flash twice.