LEXUS RX400H 2008 Service Manual
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1
1-3. Opening, closing and locking the doors
Before driving
RX400h_U
Side doors
The vehicle can be locked and unlocked using a key, wireless remote con-
trol or door lock switch.
■Key
Locks all doors
Closes the windows and
moon roof (turn and hold)
Unlocks all doors
Turning the key unlocks the
driver’s door. Turning the key
again unlocks the other doors.
Opens the windows and
moon roof (turn and hold)
■ Wireless remote control
→ P. 36
■ Door lock switch
Locks all doors
Unlocks all doors
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1-3. Opening, closing and locking the doors
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Locking the front doors from the outside without a key
The door cannot be locked if either of the front doors is open and the key
is in the engine switch.
Rear door child-protector lock
The rear door cannot be
opened from inside the vehicle
when the locks are set.
These locks can be set to prevent
children from opening the rear
doors. Push down on each rear
door switch to lock both rear
doors.
■Inside lock button
Locks the door
Unlocks the door
The front doors can be opened
by pulling the inside handle even
if the lock buttons are in the lock
position.
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1-3. Opening, closing and locking the doors
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Before driving
RX400h_U
Automatic door locking and unlocking systems
The following functions can be set or cancelled:
To switch between setting and canceling, follow the procedure below: Close all the doors and turn the engine switch to the ON position.
(Perform the step 2 within 10 seconds.)
Shift the shift lever to P or N, and press and hold the driver's door
lock switch (
or ) for approximately 5 seconds and then
release.
The shift lever and switch positions corresponding to the desired func-
tion to be set or canceled are shown as follows.
FunctionOperation
Shift position linked door
locking functionShifting the shift lever out of P locks all doors.
Shift position linked door
unlocking functionShifting the shift lever to P unlocks all doors.
Speed linked door locking
functionAll doors are locked when the vehicle speed is
approximately 12 mph (20 km/h) or higher.
Driver's door linked door
unlocking functionAll doors are unlocked when the driver's door is
opened within 10 seconds after turning the engine
switch to the LOCK position.
STEP1
STEP2
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1-3. Opening, closing and locking the doors
RX400h_UWhen the setting or canceling operation is complete, all doors are locked
and then unlocked.
FunctionShift lever positionSwitch position
Shift position linked door locking
function
PShift position linked door unlock-
ing function
Speed linked door locking function
NDriver's door linked door unlocking
function
■Impact detection door lock release system
In the event that the vehicle is subject to a strong impact, all the doors are unlocked.
Depending on the force of the impact or the type of accident, however, the system
may not operate.
■If a wrong key is used
The key cylinder rotates freely to isolate inside mechanism.
■Customization that can be configured at Lexus dealer
Settings (e.g. unlocking function using a key) can be changed. (Customizable fea-
tures
→P. 4 5 8 )
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Before driving
RX400h_U
CAUTION
■To prevent an accident
Observe the following precautions while driving the vehicle.
Failing to do so may result in a door opening and an occupant falling out, resulting in
death or serious injury.
●Always use a seat belt.
●Always lock all doors.
●Ensure that all doors are properly closed.
●Do not pull the inside handle of the doors while driving.
The doors may be opened and the passengers are thrown out of the vehicle and it
may result in serious injury or death.
Be especially careful for the front doors, the doors may be opened even if the
inside lock buttons are in locked position.
●Set the rear door child protector locks when children are seated in the rear seat.
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Back door
The back door can be opened using the back door opener.
In addition, the power back door can be opened/closed using the power
back door switch or wireless remote control.
■Back door opener
Push up
Raise
■ Power back door switches (vehicles with power back door)
Instrument panel
Push the switch for 1 second to
open/close.
Pressing the switch again while
the power back door is operat-
ing will cause the operation to
reverse.
However, the reverse operation
cannot be performed for the
first second after pressing the
switch to operate the door.
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Before driving
RX400h_U
Canceling the power back door system (vehicles with power back door)
Turn off the main switch in the
glove box to disable the power
back door system. ON
OFF
The back door cannot be opened
even with the wireless remote con-
trol or power back door switch.
Back door
Push the switch to close.
Pressing the switch again while
the power back door is closing
will cause it to open again.
However, the reverse operation
cannot be performed for the
first second after pressing the
switch to close the door.
The back door can be opened even if it is locked. Lock the back door
again when you leave the vehicle. The back door will not lock automat-
ically after it has been opened and then closed.
A buzzer sounds twice and the emer gency flashers flash twice to indi-
cate that the back door has been opened/closed.
■ Wireless remote control (vehicles with power back door)
→ P. 36
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■Luggage compartment light
■Back door handle
■If the back door opener is inoperative
The back door can be opened from the inside.The luggage compartment light turns on
when the back door is opened and the light
switch is ON.
Use the back door handle when closing.
If the vehicle is equipped with a power back
door, the back door automatically pulls
closed in the event that the door is not prop-
erly latched when closed.
Remove the cover.
Push the lever.STEP1
STEP2
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Before driving
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■The power back door can be opened when
The engine switch is in the ON position, and the shift lever is in P.
■Jam protection function
If anything obstructs the power back door while it is closing/opening, the back door
will automatically operate in the opposite direction.
■If the power back door does not work
The back door must be initialized. To initialize, close the back door completely by
hand.
■Customization that can be configured at Lexus dealer
Settings (e.g. beep sound) can be changed. (Customizable features →P. 4 5 8 )
CAUTION
Observe the following precautions.
Falling to do so may result in death or serious injury.
■Keep the back door closed while driving
If the back door is opening, the luggage will be thrown out and exhaust gases will be
entered in the vehicle.
■When the back door is opened while parking
The open back door hides the rear lights. Other road users must be warned of the
presence of your vehicle by a warning triangle or other device.
■Operating the power back door
●Check to make sure that passengers do not have any part of their body in a posi-
tion where it could be caught or hit when the back door is being operated.
●Careful attention is needed so as not to get your fingers trapped as the back door
automatically closes when it has not been fully closed.
●Do not allow children to operate the back door.
Closing the back door on someone can cause serious injury, and in some
instances, even death.
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CAUTION
■Jam protection function
●Never try jamming any part of your body to activate the jam protection function
intentionally.
●The jam protection function may not work if something gets caught just before
the back door is fully closed.
NOTICE
■To prevent damage to the back door components
●Do not apply any force, paint or let any other foreign matter on the damper.
●Do not apply excessive force when the back door closer is operating.
●Make sure there is nothing in the doorway before closing.