key LEXUS LX570 2021 Workshop Manual

5517-2. Steps to take in an emergency
LX570_OM_OM60T33U_(U)
7
When trouble arises
Ensure that the shift lever is in P and depress the brake pedal.
Touch the Lexus emblem side of the
electronic key to the engine switch.
When the electronic key is detected, a
buzzer sounds and the engine switch
will turn to IGNITION ON mode.
When the smart access system with
push-button start is deactivated in cus-
tomization setting, the engine switch will
turn to ACCESSORY mode.
Firmly depress the brake pedal and check that is shown on the
multi-information display.
Press the engine switch.
In the event that the engine still cannot be started, contact your Lexus dealer.
■Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when stopping
the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediately when the battery is depleted. ( P. 507)
■Changing engine switch modes
Release the brake pedal and press the engine switch in step above. The engine does
not start and modes will be changed e ach time the switch is pressed. (P. 212)
■Alarm
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical ke y when the alarm system is set, the alarm
may be triggered. ( P. 82)
■When the electronic key does not work properly
●Make sure that the smart access system wi th push-button start has not been deacti-
vated in the customization setting. If it is off, turn the function on.
(Customizable features:  P. 584)
●Check if battery-saving mode is set. If it is set, cancel the function. (P. 140)
Starting the engine
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5527-2. Steps to take in an emergency
LX570_OM_OM60T33U_(U)
WARNING
■When using the mechanical key and operating the power windows or moon roof
Operate the power window or moon roof after checking to make sure that there is no
possibility of any passenger having any of their body parts caught in the window or
moon roof.
Also, do not allow children to op erate the mechanical key. It is possible for children and
other passengers to get caught in the power window or moon roof.

553
LX570_OM_OM60T33U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If the vehicle battery is discharged
If you have a set of jumper (or booster) cables and a second vehicle with a 12-volt
battery, you can jump start your Lexus following the steps below.
Confirm that the electronic key is
being carried.
When connecting the jumper (or
booster) cables, depending on the
situation, the alarm may activate and
doors locked. ( P. 84)
Open the hood. Remove the engine compartment cover. ( P. 478)
Connect the jumper cables.
Positive (+) battery terminal on your vehicle
Positive (+) battery termin al on the second vehicle
Negative (-) battery terminal on the second vehicle
Connect the jumper cable to ground on your vehicle as shown in the illus-
tration.
The following procedures may be used to start the engine if the vehicle’s bat-
tery is discharged.
You can also call your Lexus dealer or qualified repair shop.
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LX570_OM_OM60T33U_(U)
5878-2. Customization
8
Vehicle specifications
■Smart access system with push-button start (P. 138) and wireless remote
control ( P. 116)
■Door lock ( P. 121)
FunctionDefault settingCustomized
setting
Operation signal (Emer-
gency flashers)OnOffO—O
Adjust the volume of confir-
mation buzzer sounds
when the vehicle is locked
or unlocked
5
Off
O—O
1 to 7
Open door warning func-
tion (when locking the vehi-
cle)OnOff——O
Time elapsed before auto-
matic door lock function is
activated if door is not
opened after being
unlocked
60 seconds
Off
O—O30 seconds
120 seconds
123
FunctionDefault settingCustomized setting
Unlocking using a mechan-
ical key
Driver’s door
unlocked in one step, all doors
unlocked in two steps
All doors unlocked in one step——O
Automatic door lock
Shifting the shift
lever to position other than P
Off
O—OVehicle speed is approximately
12 mph (20 km/h) or higher
Automatic door unlockShifting the shift lever to POff
O—ODriver’s door is opened
123

588
LX570_OM_OM60T33U_(U)8-2. Customization
■Power back door (
P. 128)
*: The operation start buzzer sounds.
■Power windows ( P. 171)
*: The settings of the moon roof are change d in conjunction with the settings of the
power windows.
FunctionDefault settingCustomized setting
Power back door switch
operationPush and holdOne short push——O
Operation signalOff*On——O
Back door opener switch
automatic open functionOnOff——O
123
FunctionDefault settingCustomized setting
Mechanical key linked
operation (close)
*OffOn——O
Mechanical key linked
operation (open)
*OffOn——O
Wireless remote control
linked operation (open)
*OffOn——O
Power windows open warn-
ing buzzerOnOff——O
Buzzer sounds if operated
using wireless remote con-
trol
OnOff——O
123

LX570_OM_OM60T33U_(U)
5898-2. Customization
8
Vehicle specifications
■Moon roof (P. 174)
*: The settings of the power windows are chan ged in conjunction with the settings of the
moon roof.
■Automatic light control system ( P. 228)
*: Vehicles sold outside Canada
FunctionDefault settingCustomized
setting
Mechanical key linked
operation (open)
*OffOn——O
Mechanical key linked
operation (close)*OffOn——O
Linked operation of com-
ponents when mechanical
key is used
Slide onlyTilt only——O
Wireless remote control
linked operation (open)*OffOn——O
Linked operation of com-
ponents when wireless
remote control is used
Slide onlyTilt only——O
Moon roof open warning
buzzerOnOff——O
123
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2O—O
Daytime running light sys-
temOnOff*O—O
Time elapsed before head-
lights automatically turn off
after doors are closed30 seconds
Off
O—O60 seconds
90 seconds
Welcome lighting illumina-
tion controlOnOff——O
123

590
LX570_OM_OM60T33U_(U)8-2. Customization
■Illumination (
P. 425)
FunctionDefault settingCustomized
setting
Interior lights illumination
controlOnOff——O
Time period before the inte-
rior lights turn off15 seconds
Off
O—O7.5 seconds
30 seconds
Operation after the engine
switch is turned offOnOff——O
Operation when the doors
are unlockedOnOff——O
Operation when you
approach the vehicle with
the electronic key on your
person (when the interior
light switch is door position)
OnOff——O
Shift lever lightOnOff——O
Footwell lightsOnOff——O
Door trim lights and foot-
well lights illumination con-
trolOnOff——O
Door trim lightsOnOff——O
Operation of the outer foot
lights when you approach
the vehicle with the elec-
tronic key on your person
OnOff——O
Operation of the outer foot
lights when the doors are
unlocked with the power
door lock switch
OnOff——O
Operation of the running
board lights when you
approach the vehicle with
the electronic key on your
person
OnOff——O
Operation of the running
board lights the doors are
unlocked with the power
door lock switch
OnOff——O
123

613What to do if... (Troubleshooting)
LX570_OM_OM60T33U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, ne w genuine mechanical keys can be made
by your Lexus dealer. ( P. 118)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( P. 120)
●Is the electronic key battery weak or depleted? ( P. 507)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (P. 212)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
( P. 140)
●Is the child-protector lock set?
The rear door cannot be opened from in side the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( P. 124)
If you have a problem, check the foll owing before contacting your Lexus
dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened

614What to do if... (Troubleshooting)
LX570_OM_OM60T33U_(U)
●Did you press the engine switch while firmly depressing the brake pedal?
( P. 211)
●Is the shift lever in P? ( P. 211)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 139)
●Is the steering wheel unlocked? ( P. 214)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 551)
●Is the battery discharged? ( P. 553)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode ( P. 222)
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal

616What to do if... (Troubleshooting)
LX570_OM_OM60T33U_(U)
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. (P. 532)
●When a warning light turns on or a warning message is displayed, refer to
P. 524, 532.
●Stop the vehicle in a safe place and replace the flat tire with the spare tire.
( P. 536)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or snow.
(P. 559)
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck