2018 LEXUS LX570 air conditioning

552
LX570_OM_OM60Q78U_(U) 7-2. Steps to take in an emergency
If your vehicle overheats Stop the vehicle in a safe place and tu rn off the air conditioning system, and
then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down suff iciently, inspect th e hoses and radiator
core (radiator) for any leaks.
Radiator
Cooling fans If a large amount of coolant leaks,
immediately contact your Lexus
dealer.The following may indicate that your vehicle is overheating. ●
The needle of the engine coolant temperature gauge ( → P. 88) enters the
red zone or a loss of engine power is experienced. (For example, the vehicle
speed does not increase.) ●
Steam is coming from under the hood.
Correction procedures 1
2
3
1
2

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
2
3
4
5
6
7

586
LX570_OM_OM60Q78U_(U) 8-2. Customization
■
Intuitive parking assist ( → P. 287)
■
Automatic air conditioning system ( → P. 399)Operation of the running
board lights when a door is
opened On Off — — O
Sensitivity of the ambient
light sensor used for dim-
ming the meter lights etc. Standard -2 to 2 — — O
Sensitivity of the ambient
light sensor used for bright-
ening the meter lights etc. Standard -2 to 2 — — OFunction Default setting Customized
setting 1 2 3
Function Default setting Customized
setting
Detection distance of the
front center sensor Far Near O — O
Detection distance of the
rear center sensor Far Near O — O
Alert Volume (alert volume
can be adjusted) 3 1 to 5 O — O
Display setting (when intui-
tive parking assist is operat-
ing) All sensors dis-
played Display off O — O 1 2 3
Function Default setting Customized
setting
Exhaust gas sensor sensitiv-
ity Standard -3 to 3 O — O
A/C Auto switch operation Auto Manual O — O 1 2 3

LX570_OM_OM60Q78U_(U) 5898-2. Customization
8
Vehicle specifications ■
Drive mode customization ( → P. 284)
■
Turn signal lever ( → P. 217)Function Default setting Customized
setting
Powertrain Normal Eco
O — —
Power
Chassis Normal Sport
O — —
Comfort
Automatic air conditioning
system Normal Eco O — — 1 2 3
Function Default setting Customized
setting
The number of times the
turn signal lights flash auto-
matically when the turn sig-
nal lever is moved to the
first position during a lane
change 3 4
— — O5
6
7
Off 1 2 3

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”.

618 Alphabetical index
LX570_OM_OM60Q78U_(U) Front passenger occupant
classification system ............................ 50
Front passenger’s seat belt
reminder light ..................................... 522
Front seats ................................................ 140
Adjustment ............................................. 140
Cleaning .................................................. 461
Correct driving posture .................... 28
Driving position memory .................. 151
Head restraints ..................................... 155
Power easy access system .............. 151
Seat heaters ........................................... 415
Seat ventilators ..................................... 415
Front side marker lights ....................... 221
Light switch ............................................. 221
Replacing light bulbs ....................... 508
Front turn signal lights .......................... 217
Turn signal lever ................................... 217
Replacing light bulbs ....................... 508
Fuel ............................................................. 566
Capacity ................................................ 560
Fuel gauge ............................................... 88
Fuel pump shut off system.............. 519
Gas station information ................. 628
Information ........................................... 566
Refueling.................................................239
Type ......................................................... 560
Warning light ....................................... 522 Fuel consumption information..........105
Fuel filler door........................................ 239
Opener ................................................... 240
Refueling ................................................ 239
Fuel pump shut off system .................. 519
Fuses.......................................................... 505
Gas station information ..................... 628
Garage door opener.......................... 445
Gauges........................................................ 88
Glove box ................................................. 421
Hands-free system
(for cellular phone)
* Head restraints........................................ 155
Headlight cleaner ................................ 238
Headlights ................................................. 221
Automatic headlight leveling ....... 223
Automatic High Beam system ... 224
Light switch............................................. 221
Replacing light bulbs ...................... 508
Head-up display .................................... 100
Heated steering wheel ........................ 414
Heaters
Front automatic air conditioning
system .................................................. 399
Outside rear view mirrors ............405
Seat heaters ............................................415
High mounted stoplight
Replacing .............................................. 508 G
H