alarm LEXUS LX570 2018 User Guide

LX570_OM_OM60Q78U_(U) 1333-2. Opening, closing and locking the doors
3
Operation of each component ■
Effective range (areas within which the electronic key is detected)
When starting the engine or changing engine switch modes
The system can be operated when the electronic key is inside the vehicle.■
Alarms and warning indicators
A combination of exterior and interior alar ms as well as warning messages shown on the
multi-information display are used to prevent theft of the vehicle and accidents resulting
from erroneous operation. Take appropriate measures in response to any warning mes-
sage on the multi-information display.
The following table describes circumstan ces and correction procedures when only
alarms are sounded. When locking or unlocking the doors
The system can be operated when the elec-
tronic key is within about 2.3 ft. (0.7 m) of
either of the outsid e front door handle.
(Only the doors detecting the key can be
operated.)
Alarm Situation Correction procedure
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
Interior alarm pings
continuously The engine switch was turned to
ACCESSORY mode while the
driver’s door was open (or the
driver’s door was opened while
the engine switch was in ACCES-
SORY mode) Turn the engine switch off
and close the driver’s door
The engine switch was turned off
while the driver’s door was open Close the driver’s door

136
LX570_OM_OM60Q78U_(U) 3-2. Opening, closing and locking the doors●
If the electronic key is inside the vehicle and a door handle becomes wet during a car
wash, a message may be shown on the mult i-information display and a buzzer will
sound outside the vehicle. To turn off the alarm, lock all the doors. ●
The lock sensor may not work properly if it comes into contact with ice, snow, mud, etc.
Clean the lock sensor and attempt to operate it again, or use the lock sensor on the
lower part of the door handle. ●
If there is another electronic key in the de tection area, it may take slightly longer to
unlock the doors after the do or handle is gripped or ba ck door unlock switch is
pressed. ●
A sudden approach to the effective range or door handle may prevent the doors from
being unlocked. In this case, return the door handle to the original position and check
that the doors unlock before pulling the door handle again.■
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. ●
The smart access system wi th push-button start can be deactivated in advance.
( → P. 580)■
To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the elec-
tronic key too close to the vehicle when operating the system from the outside of the
vehicle.
Depending on the position and holding condition of the elec tronic key, the key may not
be detected correctly and the system may not operate properly. (The alarm may go off
accidentally, or the door lock prev ention function may not operate.)■
If the smart access system with push-button start does not operate properly ●
Locking and unlocking the doors: Use the mechanical key. ( → P. 546)●
Starting the engine: → P. 547■
Customization
Settings (e. g. smart access system with push-button start) can be changed.
(Customizable features: → P. 580)■
If the smart access system with push-button start has been deactivated in a customized
setting ●
Locking and unlocking the doors:
Use the wireless remote cont rol or mechanical key. ( → P. 115, 546)●
Starting the engine and changing engine switch modes: → P. 547●
Stopping the engine: → P. 206

LX570_OM_OM60Q78U_(U) 1493-3. Adjusting the seats
3
Operation of each component ■
Alarms and indicators (vehicles with third seat)
The following table describes circumstan ces and correction procedures when only
alarms are sound.
* : A warning will be shown on the multi-information display in the instrument cluster. Indicator light and buzzer Situation Correction procedure
Buzzer sounds for 10 sec-
onds Indicator light on
* Shift lever is not in the P
position with the engine
switch in IGNITION ON
mode.
Stop the switch operation
during the automatic third
seat is in motion. Move the shift lever in the
P position with the engine
switch in IGNITION ON
mode.
Return the third seat from a
halfway position to tum-
bling position or the origi-
nal position with the third
seat return switch or third
seat tumbling switch. Indicator light flashes
* The seat movement is
stopped in a half way when
the back door is opened.
Buzzer sounds for 10 sec-
onds Indicator light
flashes
* Automatic tumbling or
return operation is
stopped because of a sys-
tem problem. Have the system checked
by your Lexus dealer.
The seat is not moved to
the table mode from the
original position after 10
seconds the tumbling
switch is pressed. Check something is
caught between the seat
cushion and seatback. If
nothing is caught, have the
system checked by your
Lexus dealer.
Buzzer sounds for 10 sec-
onds Indicator light blinks
slowly
* Automatic closing opera-
tion is stopped because of
a system problem. Have the system checked
by your Lexus dealer.
Indicator light flashes Any of the tumbling or
return switch is pushed
when shift lever is not in the
P position with the engine
switch in IGNITION ON
mode. Move the shift lever in the
P position with the engine
switch in IGNITION ON
mode.
Indicator light flashes 3
times Table mode switch is
pushed when shift lever is
not in the P position with
the engine switch in IGNI-
TION ON mode.

LX570_OM_OM60Q78U_(U) 4596-1. Maintenance and care
6
Maintenance and care ■
Notes for a smart access system with push-button start ●
If the door handle becomes wet while the el ectronic key is within the effective range,
the door may lock and unlock repeatedly. Place the key in a position 6 ft. (2 m) or more
separate from the vehicle while the vehicle is being washed. (Take care to ensure that
the key is not stolen.) ●
If the electronic key is inside the vehicle and a door handle becomes wet during a car
wash, a message may be shown on the mult i-information display and a buzzer will
sound outside the vehicle. To turn off the alarm, lock all the doors.
WARNING ■
When washing the vehicle
Do not apply water to the inside of the engine compartment. Doing so may cause the
electrical components etc. to catch fire. ■
When cleaning the windshield
●
When the upper part of the windshield where the raindrop se nsor is located is
touched by hand ●
When a wet rag or similar is held close to the raindrop sensor ●
If something bumps against the windshield ●
If you directly touch the raindrop sensor bo dy or if something bumps into the raindrop
sensor ■
Precautions regarding the exhaust pipe
Exhaust gasses cause the exhaust pipe to become quite hot.
When washing the vehicle, be careful not to touch the pipe until it has cooled suffi-
ciently, as touching a hot exhaust pipe can cause burns. ■
Precautions regarding the Blind Spot Monitor (if equipped)
If the paint of the rear bump er is chipped or scratched, the system may malfunction.
If this occurs, consult your Lexus dealer.Set the wiper switch to off.
If the wiper switch is in “AUTO”, the wipers may
operate unexpectedly in the following situa-
tions, and may result in hands being caught or
other serious injuries and cause damage to the
wiper blades. OFF
AUTO

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

549
LX570_OM_OM60Q78U_(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. 79)
Open the hood. Remove the engine compartment cover. ( → P. 474)
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_OM60Q78U_(U) 5818-2. Customization
8
Vehicle specifications Some function settings are changed simultaneously with other functions being
customized. Contact your Lexu s dealer for further details.
Settings that can be changed using the Remote Touch screen
Settings that can be changed us ing the multi-information display
Settings that can be changed by your Lexus dealer Definition of symbols: O = Available, – =Not available■
Smart access system with push-button start ( → P. 132)
■
Wireless remote control ( → P. 110)Customizable features 1
2
3
Function Default setting Customized
setting
Smart access system with
push-button start On Off O — O
Smart door unlocking Driver’s door All the doors O — O 1 2 3
Function Default setting Customized
setting
Wireless remote control On Off — — O
Unlocking operation Driver’s door
unlocked in one
step, all doors
unlocked in two
steps All doors unlocked
in one step O — O
Power back door operation Push and hold One short push — — O
Push twice — — O
Off — — O
Alarm (panic mode) On Off — — O 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

612 Alphabetical index
LX570_OM_OM60Q78U_(U)Alphabetical index A/C .................................................. 399, 410
Air conditioning filter......................... 501
Changing the rear seat
settings ................................................ 404
Front automatic air
conditioning system ..................... 399
Micro dust and pollen filter .......... 405
Rear air conditioning system......... 410
ABS (Anti-lock Brake System)........377
Function .................................................. 377
Warning light ...................................... 520
Active head restraint............................ 140
Active Height Control
Suspension........................................... 295
Active TRAC...........................................377
Air cleaner................................................. 471
Air conditioning filter ........................... 501
Air conditioning system ........... 399, 410
Air conditioning filter......................... 501
Changing the rear seat
settings ................................................ 404
Front automatic air
conditioning system ..................... 399
Micro dust and pollen filter .......... 405
Rear air conditioning system......... 410 Airbags ........................................................ 38
Airbag operating conditions .......... 46
Airbag precautions for your
child............................................................ 41
Airbag warning light ........................520
Correct driving posture .................... 28
Curtain shield airbag
operating conditions ....................... 46
Curtain shield airbag
precautions .......................................... 44
Front passenger occupant
classification system......................... 50
General airbag precautions ............. 41
Locations of airbags............................ 38
Modification and disposal
of airbags............................................... 45
Side airbag operating
conditions ............................................. 46
Side airbag precautions .................... 44
Side and curtain shield
airbags operating conditions ...... 46
Side and curtain shield
airbags precautions ......................... 44
SRS airbag instructions for
Canadian owners ..........................599
SRS airbags ............................................. 38
Alarm ............................................................ 77
Alarm ........................................................... 77
Warning buzzer.................................520
Anchor brackets.......................................62
Antenna
Smart access system with
push-button start .............................. 132A

625Alphabetical index
LX570_OM_OM60Q78U_(U) Rear window wiper and
washer switch...................................235
Rear window and outside
rear view mirror defoggers
switch................................................... 405
Seat heater switches.......................... 415
Seat ventilator switches ................... 415
“SOS” button........................................452
Talk switch
* Telephone switches
*Tilt and telescopic steering
control switch .................................... 158
Tire pressure warning reset
switch................................................... 488
Vehicle-to-vehicle distance
button ................................................... 275
VSC OFF switch ...............................378
Window lock switch.......................... 165
Windshield wipers and
washer switch.....................................231
Wireless charger power
supply switch ....................................435
Tachometer ............................................... 88
Tail lights..................................................... 221
Light switch ............................................. 221
Replacing light bulbs ....................... 508
Talk switch
* Telephone switch
*Theft deterrent system
Alarm........................................................... 77
Immobilizer system .............................. 75 Tire inflation pressure......................... 565
Maintenance data..............................565
Warning light ....................................... 522
Tire information .................................... 569
Glossary................................................. 575
Size ............................................................. 571
Tire identification number ............. 570
Uniform Tire Quality Grading.... 573
Tire pressure warning system ..........487
Function .................................................. 487
Initializing ............................................... 487
Installing tire pressure warning
valves and transmitters................ 487
Registering ID codes ...................... 488
Tire pressure warning reset
switch .................................................. 488
Warning light ....................................... 522
Tires ........................................................... 486
Chains .....................................................383
Checking ...............................................486
If you have a flat tire .......................... 532
Inflation pressure................................ 495
Replacing ............................................... 532
Rotating tires ........................................486
Size ...........................................................565
Snow tires .............................................. 382
Spare tire................................... 532, 565
Tire pressure warning system ..... 487
Warning light ....................................... 522
Tools .......................................................... 532
Total load capacity............................... 558T
* : Refer to
the “NAVIGATION SYSTEM OWNER’S MANUAL”.