A Remote Control System does not Operate

WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.

CHECK BATTERY (REMOTE CONTROLLER)
1. Check battery.
  1. Check that the dry-cell battery used for the remote controller is not dead.
    OK: It is not dead.
NG: BATTERY IS DEAD

OK: Go to next step.
CLEAN THE INFRARED RAY EMITTING PORTION
1. Clean the infrared ray emitting portion.
  1. Clean the infrared ray emitting portion on the rear display assembly.
  2. Check whether the same malfunction occurs.
    OK: The function returns to normal.
    
    Fig 1: Identifying Infrared Ray Emitting Portion
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: RETURN TO THE ORIGINAL INSPECTION FLOW

OK: NORMAL