Normal Operation
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.
Lock Operation - When the lock switch on the transmitter is pressed, all the doors are locked.
Unlock Operation - When the unlock switch on the transmitter is pressed once, only the driver door is unlocked. When the unlock switch is pressed again within 3 seconds, all the doors are unlocked.