brake light LEXUS LX570 2018 Owner's Guide

5237-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) 7
When trouble arises * 1
: Brake system warning buzzer:
The buzzer sounds to indicate that the brake fluid level is low (with the vehicle
reached a speed of 3 mph [5 km/h]).
* 2
: Open door warning buzzer:
The open door warning buzzer sounds to alert one or more of the doors is not fully
closed (with the vehicle having reached a speed of 3mph [5 km/h]).
* 3
: Driver’s seat belt buzzer:
The driver’s seat belt buzzer sounds to alert the driver that his or her seat belt is not
fastened. Once the engine switch is turned to IGNITION ON mode, the buzzer
sounds for 6 seconds. If the vehicle reaches a speed of 12 mph (20 km/h), the buzzer
sounds once. If the seat belt is still unfast ened after 24 seconds, the buzzer will sound
intermittently for 10 seconds. Then, if the se at belt is still unfa stened, the buzzer will
sound in a different tone for 20 more seconds.
Front passenger’s seat belt buzzer:
The front passenger’s seat belt buzzer soun ds to alert the front passenger that his or
her seat belt is not fastened. The buzzer so unds once if the vehicle reaches a speed of
12 mph (20 km/h). If the seat belt is still unfastened after 24 se conds, the buzzer will
sound intermittently for 10 se conds. Then, if the seat belt is still unfastened, the buzzer
will sound in a different to ne for 20 more seconds.
* 4
: Parking brake engaged warning buzzer:
A buzzer sounds to indicate that the par king brake is still engaged (with the vehicle
having reached a speed of 3 mph [5 km/h]). Brake system warning light
Indicates a malfunction in the electric parking brake system
→ Have the vehicle inspected by your Lexus dealer immediately.Warning light Warning light/Details/Actions

524 7-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) ■
SRS warning light
This warning light system monitors the airbag sensor assembly, front impact sensors, side
impact sensors (rear), side imp act sensors (front d oor), safing sensor (rear), driver’s seat
belt buckle switch, driver’s se at position sensor, front passeng er’s seat belt buckle switch,
airbags, interconnecting wiring and power so urces, front passenger occupant classifica-
tion system, “AIR BAG ON” and “AIR BAG OFF” indicator lights, seat belt pretensioners
and force limiters. ( → P. 38)■
Front passenger detection sensor, seat belt reminder and warning buzzer●
If luggage is placed on the front passenger seat, the front passenger detection sensor
may cause the warning light to flash and the warning buzzer to sound even if a passen-
ger is not sittin g in the seat.●
If a cushion is placed on the seat, the sens or may not detect a passenger, and the warn-
ing light may not operate properly. ■
If the malfunction indicator lamp comes on while driving
First check the following: ●
Is the fuel tank empty?
If it is, fill the fu el tank immediately.●
Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after severa l trips, contact your Lexus dealer as soon as
possible. ■
If the low speed four-wheel driv e indicator light or the center differential lock indicator
light blinks
Take the specified steps. ( → P. 305)
If the brake system warning light or the malf unction indicator light also comes on, or the
low speed four-wheel drive indicator light or the center differential lock indicator light
continues to blink afte r taking the specified steps, ther e may be a malfunction in the
engine, the brake system or the four-wheel dr ive system. In this case, you may not be able
to transfer between “H4” and “L4” modes, an d the center differential lock may not be
able to be locked or unlocked. Have the vehicle inspected by your Lexus dealer, immedi-
ately.

526 7-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) WARNING ■
If both the ABS and the brake sy stem warning lights remain on
Stop your vehicle in a safe place immediat ely and contact your Lexus dealer. The vehi-
cle will become extremely unstable during br aking, and the ABS system may fail, which
could cause an accident resultin g in death or serious injury.■
If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause loss of vehi-
cle control and result in death or serious injury. ●
Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pressure
immediately. ●
If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If the tire is flat, change to
the spare tire and have the flat tire repaired by the nearest Lexus dealer. ●
Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes. ■
If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

5457-2. Steps to take in an emergency
LX570_OM_OM60Q78U_(U) 7
When trouble arises One of the following may be the cause of the problem: ●
One or both of the battery terminals may be disconnected. ●
The battery may be discharged. ( → P. 549)●
There may be a malfunction in the steering lock system.Contact your Lexus dealer if the problem cannot be repaired, or if repair procedures
are unknown.
When the engine does not start, the follo wing steps can be used as an interim
measure to start the engine if the engine switch is functioning normally.
Set the parking brake.
Put the shift lever in P.
Set the engine switch to the ACCESSORY mode.
Push and hold the engine switch for about 15 seconds while depressing the
brake pedal firmly.
Even if the engine can be started using the above steps, the system may be mal-
functioning. Have the vehicle in spected by your Lexus dealer.The starter motor does not turn ove r, the interior lights and headlights
do not turn on, or the horn does not sound.
Emergency start function 1
2
3
4

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

613Alphabetical index
LX570_OM_OM60Q78U_(U) Anti-lock brake system
(ABS).......................................................377
Function .................................................. 377
Warning light ...................................... 520
Approach warning
Dynamic radar cruise control
with full-speed range .................... 276
Armrest .................................................... 442
Assist grips .............................................. 444
Audio input
* Audio system
* Automatic air conditioning
system .......................................... 399, 410
Air conditioning filter......................... 501
Front automatic air
conditioning system ..................... 399
Rear air conditioning system......... 410
Automatic door locking and
unlocking systems ................................ 119
Automatic headlight leveling
system .................................................... 223
Automatic High Beam ....................... 224
Automatic light control system....... 222
Automatic transmission ...................... 210
2nd start mode....................................... 211
Downshift restriction warning
buzzer ................................................... 215
Driving mode select switch ..........284
If the shift lever cannot be
shifted from P .................................... 215
S mode ......................................................213
AUX port
* Auxiliary boxes ...................................... 425 Back door .................................................. 122
Back door handle................................ 124
Jam protection function.................... 126
Power back door ................................ 124
Wireless remote control................... 110
Battery ...................................................... 482
Battery checking ................................ 482
If the vehicle battery is
discharged......................................... 549
Preparing and checking
before winter .................................... 382
Warning light .......................................520
Blind Spot Monitor (BSM) ............... 363
Bluetooth ®
* Bluetooth ®
audio
* Bluetooth ®
phone
* Bottle holders .........................................424
Brake
Fluid .......................................................... 564
Parking brake ........................................218
Warning light .......................................520
Brake assist .............................................. 377
Break-in tips ............................................. 175
Brightness control
Instrument panel light control ........ 89
BSM (Blind Spot Monitor) ............... 363
Blind Spot Monitor function......... 367
Rear Cross Traffic Alert
function................................................ 373 B
* : Refer to
the “NAVIGATION SYSTEM OWNER’S MANUAL”.

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”.

621Alphabetical index
LX570_OM_OM60Q78U_(U) Multi-information display .......................91
Crawl Control .....................................307
Display contents ......................................91
Drive information .................................. 94
Dynamic radar cruise control
with full-speed range ....................269
Fuel consumption information ..... 106
Intuitive parking assist ..................... 288
Language .............................................. 590
LDA (Lane Departure Alert) .......264
Multi-information display ....................91
Switching the display........................... 93
Multi terrain ABS...................................377
Multi-terrain Monitor ...........................316
Multi-terrain Select................................312
Navigation system
*Noise from under vehicle ....................... 8
Odometer .................................................. 89
Off road precautions .......................... 386
Oil
Engine oil............................................... 560
Front differential oil........................... 563
Rear differential oil ............................ 563
Transfer oil ............................................ 564
Opener
Back door ................................................123
Fuel filler door ......................................240
Hood ........................................................ 472 Outside rear view mirrors .................. 162
Adjusting and folding ........................ 162
Blind Spot Monitor ........................... 363
Driving position memory.................. 151
Linked mirror function when
reversing...............................................163
Mirror position memory ................... 151
Outside rear view mirror
defoggers...........................................405
Outside temperature
display ............................................. 95, 102
Overheating, Engine .......................... 552
Paddle shift switches............................. 212
Panic mode .................................................. 111
Parking assist sensors
(Intuitive parking assist)...................287
Parking brake .......................................... 218
Operation................................................218
Parking brake engaged
warning buzzer ............................... 523
Parking lights ........................................... 221
Light switch............................................. 221
Replacing light bulbs ...................... 508
PCS (Pre-Collision system) .............249
Enabling/disabling the system.... 253
Function .................................................. 249
Warning light ......................................... 521
Personal lights ......................................... 417
Switch ........................................................419
Power back door ................................... 124
Power easy access system .................. 151
Power outlet ........................................... 433N
O P
* : Refer to
the “NAVIGATION SYSTEM OWNER’S MANUAL”.

626 Alphabetical index
LX570_OM_OM60Q78U_(U) Towing
Dinghy towing .....................................204
Emergency towing............................. 512
Towing eyelet........................................ 514
Trailer Sway Control ........................ 377
Trailer towing ........................................ 187
TRAC (Traction Control) ..................377
Trailer Sway Control............................377
Trailer towing ...........................................187
Transmission
Automatic transmission ................... 210
Downshift restriction warning
buzzer ................................................... 215
Driving mode select switch ..........284
If the shift lever cannot be
shifted from P .................................... 215
Paddle shift switches .......................... 212
Trip meters ................................................. 89
Troubleshooting....................................608
Turn signal lights ..................................... 217
Replacing light bulbs ....................... 508
Turn signal lever ................................... 217
USB port
* Utility vehicle precautions ................ 386 Vanity lights .............................................. 431
Vanity lights ............................................ 431
Vanity mirrors.......................................... 431
Vehicle data recordings...........................9
Vehicle identification number ........ 559
Vehicle Stability Control (VSC) ..... 377
Ventilators (seat ventilators) ............. 415
VSC (Vehicle Stability Control) ..... 377
Warning buzzers ................................. 520
Approach warning ........................... 276
Brake system .......................................520
Downshifting .......................................... 215
Driver’s seat belt reminder ........... 522
Front passenger’s seat belt
reminder ............................................. 522
Intuitive parking assist...................... 290
Lane departure ................................... 265
Master warning system .................. 522
Open back door................................ 522
Open door ........................................... 522
Open moon roof .................................170
Parking brake ...................................... 523
PCS ............................................................ 521
Power steering system ................... 522
Radar cruise control ........................ 276
Seat belt reminder............................. 522U V
W