Room Oscillator does not Recognize Key: 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.
If the room oscillator does not recognize the key, either of the following may be the cause. 1) communication between the indoor electrical key oscillator (for Front Floor) and electrical key transmitter cannot be performed; or 2) communication between the indoor electrical key oscillator (for Rear Floor) and electrical key transmitter cannot be performed