2018 LEXUS LX570 stop start

5477-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(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. 503)■
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. 206)■
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. 77)■
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. 580)●
Check if battery-saving mode is set. If it is set, cancel the function. ( → P. 134)Starting the engine 1
2
3
4
3

5537-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) 7
When trouble arises The coolant level is satisfactory if it is between the “F” and “L” lines on the res-
ervoir.
Reservoir
“F” line
“L” line
Radiator cap
Add coolant if necessary. Water can be used in an emergency if
coolant is unavailable.
Start the engine and turn the air conditioning system on to check that the air
conditioning condenser cooling fans op erate and to check for coolant leaks
from the radiator or hoses. The fans operate when the air conditioning system is turned on immediately after a
cold start. Confirm that the fans are operating by checking the fan sound and air flow.
If it is difficult to check these, turn the air conditioning system on and off repeatedly.
(The fans may not operate in freezing temperatures.)
If the fans are not operating:
Stop the engine immediately an d contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer. 4
1
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3
4
5
6
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555
LX570_OM_OM60Q78U_(U) 7
When trouble arises 7-2. Steps to take in an emergency
If the vehicle becomes stuck Stop the engine. Set the parking br ake and shift the shift lever to P.
Remove the mud, snow or sand from around the rear wheels.
Place wood, stones or some other materi al under the rear wheels to help pro-
vide traction.
Restart the engine.
Shift the shift lever to the D or R positi on and release the parking brake. Then,
while exercising caution, depress the accelerator pedal. ■
When it is difficult to free the vehicle
■
Extra high mode
→ P. 299Carry out the following procedures if the tires spin or the vehicle becomes
stuck in mud, dirt, or snow:
Press to turn off Active TRAC. 1
2
3
4
5

592
LX570_OM_OM60Q78U_(U) 8-2. Customization■
HUD (Head-up Display)
* ( → P. 100)
* : If equipped ■
Vehicle customization ●
When smart access system with push-button start is turned off, unlock door cannot be
selected. ●
When doors are not opened after unlocking and are then automatically re-locked, a
signal will be given if Operation signal (Emergency flashers) or Operation signal
(Buzzer) are set to on. ■
When setting using the multi-information display
When using the vehicle switches to set an item that can also be set using the touch
screen, the item displayed on the Remote Touch will not change immediately.
If the engine switch is first turned to off, the screen display will change once the engine
switch is turned to IGNITION ON mode again. ■
When customizing usin g the Remote Touch
Stop the vehicle in a safe place, apply the parking brake, and shift the shift lever to P. Also,
to prevent battery discharge, leave the engine running while customizing the features. Function Default
setting Customized
setting
Driving support display
(Navigation system
* ) On Off — O —
Driving support display
(Driving assist
* ) On Off — O —
Driving support display
(compass
* ) On Off — O —
Driving support display
(audio
* ) On Off — O —
WARNING ■
During customization
As the engine needs to be running during customization, ensure that the vehicle is
parked in a place with adequate ventilation. In a closed area such as a garage, exhaust
gases including harmful carbon monoxide (CO) may collect and enter the vehicle. This
may lead to death or a serious health hazard.
NOTICE ■
During customization
To prevent battery discharge, ensure that the engine is running while customizing fea-
tures. 1 2 3

610 What to do if... (Troubleshooting)
LX570_OM_OM60Q78U_(U) ●
It is locked automatically to prevent theft of the vehicle. ( → P. 207)●
Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. ( → P. 165)●
The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( → P. 207)●
The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts?
( → P. 522)●
The parking brake indicator is on
Is the parking brake released? ( → P. 218)
Depending on the situation, other type s of warning buzzer may also sound.
( → P. 520, 528)
●
Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( → P. 77)
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine. The steering wheel cannot be turned after the engine is stopped
The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds

616 Alphabetical index
LX570_OM_OM60Q78U_(U) Drive information .................................... 94
Driver’s seat belt reminder light ..... 522
Driver’s seat position memory ........... 151
Driving......................................................... 174
Break-in tips .......................................... 175
Correct posture..................................... 28
Driving in the rain................................ 175
Driving mode select switch ..........284
Off-road precautions...................... 386
Procedures .............................................174
Winter drive tips ................................ 382
Driving position memory...................... 151
Driving position memory .................. 151
Memory recall function.................... 152
Power easy access system .............. 151
DVD player
* Dynamic radar cruise control
with full-speed range
Function ..................................................269
Eco Driving Indicator Light ................. 87
EDR (Event data recorder) ...................10
Electronic key ........................................... 110
Battery-saving function .................... 134
If the electronic key does not
operate properly............................ 546
Replacing the battery ...................... 503 Emergency, in case of
If a warning buzzer sounds ..........520
If a warning light turns on ..............520
If a warning message is
displayed ............................................528
If the electronic key does not
operate properly ............................546
If the engine will not start ............... 544
If the vehicle battery is
discharged......................................... 549
If you have a flat tire .......................... 532
If you lose your keys.................... 112, 114
If you think something is
wrong.................................................... 518
If your vehicle becomes stuck.....555
If your vehicle has to be stopped
in an emergency................................ 511
If your vehicle needs to be
towed ..................................................... 512
If your vehicle overheats ................ 552
Emergency flashers ..............................510
E

617Alphabetical index
LX570_OM_OM60Q78U_(U) Engine
Accessory mode............................... 206
Air cleaner ...............................................471
Compartment...................................... 473
Engine switch ...................................... 205
Exhaust gas precautions ................... 74
Hood ........................................................ 472
How to start the engine ................. 205
Identification number ...................... 559
If the engine will not start................544
If your vehicle has to be
stopped in an emergency ............. 511
Ignition switch (engine
switch) ................................................. 205
Overheating ........................................ 552
Engine compartment cover ............. 474
Engine coolant....................................... 478
Capacity .................................................562
Checking................................................478
Preparing and checking
before winter ................................... 382
Engine coolant temperature
gauge ........................................................ 88
Engine immobilizer system ................. 75
Engine oil ................................................. 475
Capacity ................................................ 560
Checking................................................475
Preparing and checking
before winter ................................... 382 Engine switch (ignition switch) ....... 205
Engine switch light
(ignition switch light)......................... 417
Event data recorder (EDR)................... 10
Exhaust gas precautions ....................... 74
First-aid kit holder ................................ 428
Flat tire ...................................................... 532
Floor mats....................................................26
Fluid
Automatic transmission ..................563
Brake........................................................ 564
Steering .................................................. 564
Washer ...................................................485
Fog lights...................................................229
Replacing light bulbs ...................... 508
Switch ...................................................... 229
Footwell lights .......................................... 417
Four-wheel AHC (Active Height
Control Suspension) ....................... 295
Easy access mode ............................ 297
Disabling the height control ......... 298
Selecting vehicle height.................. 295
Four-wheel drive system
Center differential
lock/unlock .......................................304
Four-wheel drive control
switch ...................................................303
Warning light ....................................... 522
Front automatic air conditioning
system .................................................... 399
Front doors ................................................ 115 F
* : Refer to
the “NAVIGATION SYSTEM OWNER’S MANUAL”.