2014 LEXUS LX570 ECU

431-2. Opening, closing and locking the doors
1
Before driving
LX570_OM_OM60L21U_(U) ■
When the vehicle is not driven for extended periods
To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of
the vehicle. ■
Security feature
If a door is not opened within approx imately 60 seconds after the vehicle is
unlocked, the security feature automatically locks the vehicle again. ■
Alarms and warning indicators
A combination of exterior and interior alarms as well as warnings displayed on the
multi-information display are used to prevent theft of the vehicle and unforeseeable
accidents resulting from erroneous operation. Perform the appropriate correction
procedure described in the following table.
Alarm Situation Correction procedure
Exterior alarm
sounds once for
2 seconds An attempt was made to lock
the doors using the entry
function while the electronic
key was still inside the pas-
senger compartment Retrieve the electronic
key from the passenger
compartment and lock
the doors again
Exterior alarm
sounds once for
60 seconds An attempt was made to exit
the vehicle and lock the
doors without first turning the
“ENGINE START STOP”
switch OFF Tu r n t h e “ E N G I N E
START STOP” switch
OFF and lock the doors
again
Exterior alarm
sounds once for
5 seconds An attempt was made to lock
the vehicle while a door is
open Close all of the doors
and lock the doors again

491-2. Opening, closing and locking the doors
1
Before driving
LX570_OM_OM60L21U_(U) ■
Operation signals ●
Doors: A buzzer sounds and the emergency flashers flash to indicate that the
doors have been locked/unlocked. (Locked: Once; Unlocked: Twice)●
Windows and moon roof: A buzzer sounds to indicate that the windows and
moon roof are opening.■
Operating conditions
The wireless remote control will not operate when the “ENGINE START STOP”
switch is in any position other than OFF. ■
Door lock buzzer
If a door is not fully closed, a buzzer soun ds continuously for 5 seconds if an attempt
to lock the door is made. Fully close the do or to stop the buzzer, and lock the vehi-
cle once more. ■
Power back door operation
The power back door can be opened while the vehicle is locked. (one motion) ■
Alarm
Using the wireless remote control to lock the door will set the alarm system. ■
Electronic key battery depletion
 P. 4 1■
Security feature
 P. 4 3■
If the wireless remote control does not operate properly ●
Locking and unlocking the doors: Use the mechanical key. (  P. 8 6 7 )●
Starting the engine:  P. 8 6 8■
When the electronic key battery is fully depleted
 P. 7 8 0■
Conditions affecting operation
 P. 3 9■
Customization
Settings (e.g. unlocking function) can be changed.
(Customizable features  P. 9 0 6 )

621-2. Opening, closing and locking the doors
LX570_OM_OM60L21U_(U) CAUTION■
Operating the back door
Observe the following precautions.
Failure to do so may cause parts of the body to be caught, resulting in death or seri-
ous injury. ●
Remove any heavy loads, such as snow and ice, from the back door before open-
ing it. Failure to do so may cause the back door to suddenly shut again after it is
opened. ●
When opening or closing th e back door, thoroughly check to make sure the sur-
rounding area is safe. ●
If anyone is in the vicinity, make sure th ey are safe and let them know that the back
door is about to open or close. ●
Use caution when opening or closing the back door in windy weather as it may
move abruptly in strong wind. ●
The back door may suddenly shut if it is not
opened fully. It is more difficult to open or
close the back door on an incline than on a
level surface, so beware of the back door
unexpectedly opening or closing by itself.
Make sure that the back door is fully open
and secure before using the luggage com-
partment. ●
When closing the back door, take extra
care to prevent your fingers etc. from being
caught. ●
When closing the back door, make sure to
press it lightly on it s outer surface. If the
back door handle is used to fully close the
back door, it may result in hands or arms
being caught.

641-2. Opening, closing and locking the doors
LX570_OM_OM60L21U_(U) CAUTION■
Power back door
Observe the following precautions when operating the power back door.
Failure to do so may cause death or serious injury. ●
Check the safety of the surrounding area to make sure there are no obstacles or
anything that could cause any of your belongings to get caught. ●
If anyone is in the vicinity, make sure th ey are safe and let them know that the back
door is about to open or close. ●
If the power back door system is turned off with the main switch while the back
door is operating automatically, the automatic operation is stopped. The back
door then has to be operated manually. Take extra care when on an incline, as the
back door may open or close unexpectedly. ●
If the operating conditions of the power back door are no longer met, a buzzer
may sound and the back door may stop opening or closing. The back door then
has to be operated manually. Take extra ca re when on an incline, as the back door
may open or close abruptly. ●
On an incline, the back door may suddenl y shut after it opens. Make sure the
back door is fully open and secure. ●
In the following situations, the power b ack door may detect an abnormality and
automatic operation may be stopped. In this case, the back door has to be oper-
ated manually. Take extra care when on an incline, as the back door may open or
close abruptly.
• When the back door contacts an obstacle
• When the battery voltage suddenly drops, such as when the “ENGINE
START STOP” switch is turned to the IGNITION ON mode or the engine is
started during automatic operation●
If a bicycle carrier or similar heavy object is attached to the back door, the power
back door may not operate, causing itself to malfunction, or the back door may
suddenly shut again after being opened, causing someone’s hands, head or neck
to be caught and injured. When installing an accessory part to the back door,
using a genuine Lexus part is recommended.●
In cases such as when replacing tires, ma ke sure to turn off the power back door
main switch. Failure to do so may cause the back door to operate unintentionally
if the power back door switch is accidentally touched, resulting in hands and fin-
gers being caught and injured.

721-3. Adjustable components (s eats, mirrors, steering wheel)
LX570_OM_OM60L21U_(U) Tumbling the second seats and third seat entry
For easy access to the third se at, perform in “Tumbling the sec-
ond seats” (  P. 73).
■ Before tumbling the second seats
Stow the seat belt buckles and
lower the head restraints to the
lowest position.
Pass the outer seat belts through
the seat belt hangers and secure
the seat belt plates. This prevents the shoulder belt
from being damaged.
Make sure that the seat belts are
removed from the hangers before
using them. STEP 1
STEP 1
STEP 2

731-3. Adjustable components (s eats, mirrors, steering wheel)
1
Before driving
LX570_OM_OM60L21U_(U) ■ Tumbling the second seats
Fold down the se atback while pull-
ing the seatback angle adjustment
lever, and swing the whole seat up
and forward.
Hook the holding strap to the
assist grip and secure the seat by
pulling its free end. When returning the second seat to
its original position, stow the hold-
ing strap.STEP 1
STEP 2

751-3. Adjustable components (s eats, mirrors, steering wheel)
1
Before driving
LX570_OM_OM60L21U_(U) Folding the third seats
■ Before folding the third seats
Stow the seat belts buckles.
Stow the center head restraint in the seatback. (  P. 9 0 )
Pass the outer seat belts through
the seat belt hangers and secure
the seat belt plates. This prevents the shoulder belt
from being damaged.
Make sure that the seat belts are
removed from the hangers before
using them.
Stow the center seat belt tabs in the cover set in the roof.
(  P. 9 3 ) STEP 1
STEP 2
STEP 3
STEP 4

771-3. Adjustable components (s eats, mirrors, steering wheel)
1
Before driving
LX570_OM_OM60L21U_(U) ■ Folding up the third seats
Perform following steps in “Before folding the third seats”.
(  P. 7 5 )
If the switch is pressed and held,
the seat will automatically fold and
lift sideward. (The buzzer sounds
twice when the seat is about to lift.) If the switch is released while the
seat is lifting sideward, operation
will stop and a buzzer will sound
continuously.
Before operating, make sure that
the handle on the rear of the seat-
back is secure.
Remove the seat hook covers from
the underside of the seat cushion,
and install them on the seat hooks.STEP 1
STEP 2
STEP 3