2019 LEXUS LX570 key

511
LX570_OM_OM60R07U_(U) 7When trouble arises 7-1. Essential information
Emergency flashers ................... 512
If your vehicle has to be
stopped in an emergency..... 513
If the vehicle is trapped
in rising water ............................ 514
7-2. Steps to take in an emergency
If your vehicle needs
to be towed................................. 515
If you think something is
wrong ............................................ 521
Fuel pump shut off system ...... 522
If a warning light turns
on or a warning buzzer
sounds.......................................... 523
If a warning message is
displayed...................................... 531
If you have a flat tire ..................535
If the engine will not start ........ 547
If the electronic key does
not operate properly ............. 549
If the vehicle battery is
discharged ................................. 552
If your vehicle overheats .........555
If the vehicle becomes
stuck ............................................ 558

549
LX570_OM_OM60R07U_(U) 7
When trouble arises 7-2. Steps to take in an emergency
If the electronic key does not operate properly Use the mechanical key (  P. 117) in
order to perform the following opera-
tions (driver’s door only):
Locks all the doors
Closes the windows and moon roof
*(turn and hold)
Unlocks the doors Turning the key rearward unlocks the
driver’s door. Turning the key once again
unlocks the other doors.
Opens the windows and moon roof
* (turn and hold)
* : These settings must be cust omized at your Lexus dealer.If communication between the electronic key and vehicle is interrupted
(  P. 140) or the electronic key ca nnot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors can be opened and
the engine can be started by following the procedure below.
Locking and unlocking the doors and key linked functions 1
2
3
4

550 7-2. Steps to take in an emergency
LX570_OM_OM60R07U_(U) 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. 505)■
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 th e 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 1
2
3
4
3

5517-2. Steps to take in an emergency
LX570_OM_OM60R07U_(U) 7
When trouble arises WARNING ■
When using the mechanical key and operating the power windows or moon roof
Operate the power window or moon roof afte r 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.

552
LX570_OM_OM60R07U_(U) 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. 476)
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. 1
2
3
1
2
3
4

LX570_OM_OM60R07U_(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)Function Default setting Customized
setting
Operation signal (Emer-
gency flashers) On Off O — 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) On Off — — 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 1 2 3
Function Default setting Customized
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 unlock Shifting the shift
lever to P Off
O — O
Driver’s door is
opened 1 2 3

588
LX570_OM_OM60R07U_(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. Function Default setting Customized
setting
Power back door switch
operation Push and hold One short push — — O
Operation signal Off
* On — — O
Back door opener switch
automatic open function On Off — — O 1 2 3
Function Default setting Customized
setting
Mechanical key linked
operation (close)
* Off On — — O
Mechanical key linked
operation (open)
* Off On — — O
Wireless remote control
linked operation (open)
* Off On — — O
Power windows open warn-
ing buzzer On Off — — O
Buzzer sounds if operated
using wireless remote con-
trol On Off — — O 1 2 3

LX570_OM_OM60R07U_(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. 227)
* : Vehicles sold outside Canada Function Default setting Customized
setting
Mechanical key linked
operation (open)
* Off On — — O
Mechanical key linked
operation (close)
* Off On — — O
Linked operation of com-
ponents when mechanical
key is used Slide only Tilt only — — O
Wireless remote control
linked operation (open)
* Off On — — O
Linked operation of com-
ponents when wireless
remote control is used Slide only Tilt only — — O
Moon roof open warning
buzzer On Off — — O 1 2 3
Function Default setting Customized
setting
Light sensor sensitivity Standard -2 to 2 O — O
Daytime running light sys-
tem On Off
* O — O
Time elapsed before head-
lights automatically turn off
after doors are closed 30 seconds Off
O — O60 seconds
90 seconds
Welcome lighting illumina-
tion control On Off — — O 1 2 3