2015 LEXUS LX570 battery

501-2. Opening, closing and locking the doors
LX570_OM_OM60L96U_(U) ■
Operation signals ●
Doors: A buzzer sounds and the emergenc y 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 d oor 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. 42■
Security feature
 P. 44■
If the wireless remote control does not operate properly ●
Locking and unlocking the doors: Use the mechanical key. (  P. 872)●
Starting the engine:  P. 873■
When the electronic key battery is fully depleted
 P. 784■
Conditions affecting operation
 P. 40■
Customization
Settings (e.g. unlocking fu nction) can be changed.
(Customizable features  P. 912)

601-2. Opening, closing and locking the doors
LX570_OM_OM60L96U_(U) ■
Jam protection function ●
If anything obstructs the po wer back door while it is closing/opening, the back
door will automatically operat e in the opposite direction.●
If the lower back door is opened while th e upper back door is in a closing oper-
ation, it automatically opens again.■
When re-connecting the battery
To enable the power back door to operate properly, perform the following: ●
Unlock the back door us ing the door lock switch●
Close the back door manually■
Back door closer
In the event that upper side and lower side of the back doors are left slightly open,
the back door closer will automatically close it to the fully closed position.■
Fall-down protection function
While the power back door is opening automatically, applying excessive force to it
will stop the opening operation to prevent the power back door from rapidly falling
down. ■
Customization
Settings (e.g. sw itch operation) can be changed.
(Customizable features  P. 912)

641-2. Opening, closing and locking the doors
LX570_OM_OM60L96U_(U) CAUTION■
Power back door
Observe the following precautions when operating the power back door.
Failure to do so may caus e 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 they 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 care when on an incline, as the back
door may open or close abruptly.●
On an incline, the back door may sudden ly shut after it opens. Make sure the
back door is fully open and secure. ●
In the following situations, the power ba ck door may detect an abnormality and
automatic operation may be stopped. In th is 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

861-3. Adjustable components (s eats, mirrors, steering wheel)
LX570_OM_OM60L96U_(U) ■
Retained accessory power ●
Each memorized position (except for the steering wheel position) can be acti-
vated within 3 minutes after the driver’s door is opened, even if the “ENGINE
START STOP” switch is turned off. ●
Each memorized position (except for the steering wheel position) can be acti-
vated within 60 seconds after the driver’s door is closed, even if the “ENGINE
START STOP” switch is turned off.■
To cancel seat position recall
Perform any one of the following operations. ●
Press the “SET” button ●
Press button “1”, “2” or “3”. ●
Adjust the seat using the switches (only cancels seat position recall)●
Adjust the steering wheel using the tilt and telescopic steering control switch
(only cancels steering wheel position recall) ■
If the battery is disconnected
The memorized positions must be reset because the computer’s memory is erased
when the battery is disconnected.
CAUTION■
Seat adjustment caution
Take care during seat adjustment that the seat does not strike the rear passenger or
squeeze your body against the steering wheel.

1221-6. Theft deterrent system
LX570_OM_OM60L96U_(U) ■
System maintenance
The vehicle has a maintenance-free type alarm system. ■
Items to check before locking the vehicle
To prevent unexpected triggering of the al arm and vehicle theft, make sure of the
following. ●
Nobody is in the vehicle. ●
The windows and moon roof are closed before the alarm is set. ●
No valuables or other personal items are left in the vehicle.■
Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.) ●
A person inside the vehicle opens a door
or hood.
●
The battery is recharged or replaced when
the vehicle is locked.

1231-6. Theft deterrent system
1
Before driving
LX570_OM_OM60L96U_(U) ■
When the battery is disconnected
Be sure to cancel the alarm system.
If the battery is disconnected before canceling the alarm, the system may be trig-
gered when the battery is reconnected. ■
Alarm-operated door lock ●
When the alarm is operating, the door s are locked automatically to prevent
intruders. ●
Do not leave the key inside the vehicle when the alarm is operating, and make
sure the key is not inside the vehicle wh en recharging or replacing the battery.■
Panic mode
NOTICE■
To ensure the system operates correctly
Do not modify or remove the system. If mo dified or removed, the proper operation
of the system cannot be guaranteed. When is pressed for longer than about
one second, the head lights/tail lights/emer-
gency flashers will flash, the front and rear
interior lights will come on, and an alarm will
sound for about 60 seconds to deter any
person from trying to break into or damage
your vehicle.
To stop the alarm, press any button on the
wireless remote control.

1792-1. Driving procedures
2
When driving
LX570_OM_OM60L96U_(U) ■
Operation of the “ENG INE START STOP” switch
When operating the “ENGINE START STOP ” switch, one short, firm press is
enough. If the switch is pressed improp erly, the engine may not start or the
“ENGINE START STOP” switch mode may not change. It is not necessary to press
and hold the switch. ■
When the steering lock cannot be released
■
If the engine does not start
The engine immobilizer system may not have been deactivated. (  P. 119)
Contact your Lexus dealer. ■
When the “ENGINE START STOP” switch indicator flashes in amber
The system may be malfunctioning. Have the vehicle inspected by your Lexus
dealer immediately. ■
Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes with the shift
lever in P, the “ENGINE START STOP” switch will automatically turn off. However,
this function cannot entirely prevent battery discharge. Do not leave the vehicle
with the “ENGINE START STOP” switch in ACCESSORY mode for long periods
of time when the engine is not running. ■
Electronic key battery depletion
 P. 42■
When the electronic key battery is discharged
 P. 872■
Conditions affecting operation
 P. 40 The green indicator light on the “ENGINE
START STOP” switch will flash and a mes-
sage will be shown on the multi-information
display. Press the “ENGINE START STOP”
switch again while turning the steering wheel
left and right.

1802-1. Driving procedures
LX570_OM_OM60L96U_(U) ■
Note for the entry function
 P. 43
CAUTION■
When starting the engine
Always start the engine while sitting in th e driver’s seat. Do not depress the acceler-
ator while starting the engi ne under any circumstances.
Doing so may cause an accident resulting in death or serious injury. ■
Stopping the engine in an emergency
If you want to stop the engine in an emergency while driving the vehicle, press and
hold the “ENGINE START STOP” switch fo r more than 2 seconds, or press it
briefly 3 times or more in succession. (  P. 883)
However, do not touch the “ENGINE START STOP” switch while driving except in
an emergency. Turning the engine off while driving will not cause loss of steering or
braking control, but the power assist to these systems will be lost. This will make it
more difficult to steer and brake, so you should pull over and stop the vehicle as
soon as it is safe to do so.
NOTICE■
To prevent battery discharge
Do not leave the “ENGINE START STOP ” switch in ACCESSORY or IGNITION
ON mode for long periods of ti me without the engine running.■
When starting the engine ●
Do not race a cold engine. ●
If the engine becomes difficult to start or stalls frequently, have your vehicle
checked by your Lexus dealer immediately.■
Symptoms indicating a malfunction with the “ENGINE START STOP” switch
If the “ENGINE START STOP” switch seem s to be operating somewhat differently
than usual, such as the swit ch sticking slightly, there may be a malfunction. Contact
your Lexus dealer immediately.