Lexus RX 450h 2010 Owner's Manual, Quick Manual page 78

■ Back door closer (with power back door)
If the back door is left slightly open, it will close automatically.
■
Turning the power back door system on and off (with power back door)
77
To disable the system, turn off the main switch in
the glove box.
ON
1
OFF
2
When the power back door system is disabled,
the back door cannot be opened using the wire-
less remote control or power back door switch.