Wireless Transmitter Memory Function does not Operate: Description
WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
With the power switch OFF and the driver door closed, press a seat memory switch (M1, M2 or M3) while holding either the transmitter's LOCK or UNLOCK switch, or the door lock control switch's lock or unlock switch Doing so will register the transmitter's recognition code into the seat memory switch that was pressed After the registration is complete, the answer-back buzzer sounds.