Rear Door Sunshade System: Initialization

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.

RESET REAR DOOR SUNSHADE SYSTEM
NOTE: The rear curtain position reset operation must be performed when one of the following occurs: 1) battery removal and installation; 2) ECU reset; or 3) jam protection related detachment.
1. Turn the power switch ON (IG)
2. Push the front or rear switch's rear door sunshade switch
  HINT:
  
  The motor must be moved in the lowering direction
3. Push the front or rear switch's rear door sunshade switch
  HINT:
  
  Make sure that the rear curtain raises
RESET REAR DOOR SUNSHADE POSITION AFTER DETACHMENT
NOTE:
- If the curtain is operating and detaches as a result of the jam protection function, the motor must be operated in the raise direction in order to return it to normal.
- If the motor is not returned to normal, the cover may not close properly during the lowering operation.
1. After the rear curtain stops at the fully raised position, continue holding the switch for 5 seconds Stopped → Raising → Stopped at fully raised position → 5 seconds