air condition LEXUS LX570 2021 Workshop Manual

556
LX570_OM_OM60T33U_(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 the 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. 92) 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
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5577-2. Steps to take in an emergency
LX570_OM_OM60T33U_(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.
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LX570_OM_OM60T33U_(U)
5798-1. Specifications
8
Vehicle specifications
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pressure
Tire pressure when the vehicle has been parked for
three hours or more, or has not been driven more than 1
mile or 1.5 km un der that condition
Maximum inflation pres-
sureThe maximum cold inflated pr essure to which a tire may
be inflated, shown on the sidewall of the tire
Recommended inflation
pressureCold tire inflation pressure recommended by a manu-
facturer
Accessory weight
The combined weight (in exce ss of those standard items
which may be replaced) of automatic transmission,
power steering, power brakes, power windows, power
seats, radio and heater, to the extent that these items are
available as factory-installed equipment (whether
installed or not)
Curb weight
The weight of a motor vehicle with standard equipment,
including the maximum capacity of fuel, oil and coolant,
and if so equipped, air co nditioning and additional
weight optional engine
Maximum loaded vehicle
weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
Normal occupant weight150 lb. (68 kg) times the numb er of occupants specified
in the second column of Table 1* that follows
Occupant distributionDistribution of occupants in a vehicle as specified in the
third column of Table 1
* below
Production options weight
The combined weight of in stalled regular production
options weighing over 5 lb. (2.3 kg) in excess of the
standard items which they re place, not previously con-
sidered in curb weight or accessory weight, including
heavy duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
RimA metal support for a tire or a tire and tube assembly
upon which the tire beads are seated

LX570_OM_OM60T33U_(U)
5918-2. Customization
8
Vehicle specifications
■Intuitive parking assist (P. 294)
■Automatic air conditioning system ( P. 407)
Operation of the running
board lights when a door is
opened
OnOff——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——O
FunctionDefault settingCustomized
setting123
FunctionDefault settingCustomized
setting
Detection distance of the
front center sensorFarNearO—O
Detection distance of the
rear center sensorFarNearO—O
Alert Volume (alert volume
can be adjusted)31 to 5O—O
Display setting (when intui-
tive parking assist is operat-
ing)All sensors dis- playedDisplay offO—O
123
FunctionDefault settingCustomized setting
Exhaust gas sensor sensitiv-
ityStandard-3 to 3O—O
A/C Auto switch operationAutoManualO—O
123

594
LX570_OM_OM60T33U_(U)8-2. Customization
■Drive mode customization (
P. 291)
■Turn signal lever (P. 224)
FunctionDefault settingCustomized
setting
PowertrainNormalEcoO——Power
ChassisNormalSportO——Comfort
Automatic air conditioning
systemNormalEcoO——
123
FunctionDefault settingCustomized 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
——O
5
6
7
Off
123

617Alphabetical index
LX570_OM_OM60T33U_(U)
Alphabetical index
A/C .................................................. 407, 418Air conditioning filter....................... 505
Changing the rear seat settings ...................................................412
Front automatic air conditioning system ......................407
Micro dust and pollen filter ............ 413
Rear air conditioning system......... 418
ABS (Anti-lock Brake System).......385 Function ................................................. 385
Warning light .......................................524
Active head restraint.............................146
Active Height Control Suspension........................................... 302
Active TRAC..........................................385
Air cleaner............................................... 475
Air conditioning filter ..........................505
Air conditioning system ........... 407, 418 Air conditioning filter....................... 505
Changing the rear seat settings ...................................................412
Front automatic air conditioning system ......................407
Micro dust and pollen filter ............ 413
Rear air conditioning system......... 418 Airbags ........................................................ 38
Airbag operating conditions .......... 46
Airbag precautions for your child............................................................ 41
Airbag warning light ........................ 524
Correct driving posture .................... 28
Curtain shield airbag operating conditions ....................... 46
Curtain shield airbag precautions .......................................... 44
Front passenger occupant classification system......................... 49
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 ..........................604
SRS airbags ............................................. 38
Alarm ........................................................... 82 Alarm .......................................................... 82
Warning buzzer................................. 524
Anchor brackets........................................ 71
Antenna Smart access system with push-button start ............................. 138
A

618Alphabetical index
LX570_OM_OM60T33U_(U)
Anti-lock brake system (ABS)......................................................385 Function ................................................. 385
Warning light .......................................524
Approach warning Dynamic radar cruise control with full-speed range ................... 283
Armrest ......................................................451
Assist grips .............................................. 453
Audio input
*
Audio system*
Automatic air conditioning system .......................................... 407, 418 Air conditioning filter....................... 505
Front automatic air conditioning system ......................407
Rear air conditioning system......... 418
Automatic door locking and unlocking systems ...............................125
Automatic headlight leveling system .................................................... 230
Automatic High Beam .........................231
Automatic light control system....... 229
Automatic transmission ....................... 217 2nd start mode..................................... 218
Downshift restriction warning buzzer .................................................. 222
Driving mode select switch ........... 291
If the shift lever cannot be shifted from P ................................... 222
S mode ....................................................220
AUX port
*
Auxiliary boxes ...................................... 433 Back door .................................................. 128
Back door handle............................... 130
Jam protection function.................... 132
Power back door ............................... 130
Wireless remote control................... 116
Battery ...................................................... 486 Battery checking ................................486
If the vehicle battery is discharged.........................................553
Preparing and checking before winter ....................................390
Warning light ....................................... 524
Blind Spot Monitor (BSM) ............... 370
Bluetooth
®*
Bluetooth® audio*
Bluetooth® phone*
Bottle holders .........................................432
Brake Fluid ......................................................... 568
Parking brake ...................................... 225
Warning light ....................................... 524
Brake assist ............................................. 385
Break-in tips .............................................. 181
Brightness control Instrument panel light control ........ 94
BSM (Blind Spot Monitor) ............... 370 Blind Spot Monitor function......... 375
Rear Cross Traffic Alert function................................................. 381
B
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

622Alphabetical index
LX570_OM_OM60T33U_(U)
EngineAccessory mode.................................. 212
Air cleaner .............................................475
Compartment...................................... 477
Engine switch .......................................... 211
Exhaust gas precautions ...................55
Hood ........................................................ 476
How to start the engine ..................... 211
Identification number ...................... 563
If the engine will not start............... 548
If your vehicle has to be stopped in an emergency ........... 515
Ignition switch (engine switch) ..................................................... 211
Overheating ........................................ 556
Engine compartment cover ............. 478
Engine coolant....................................... 482 Capacity ................................................ 566
Checking................................................482
Preparing and checking before winter ................................... 390
Engine coolant temperature gauge ........................................................ 92
Engine immobilizer system ................. 80
Engine oil ................................................. 479 Capacity ................................................ 564
Checking................................................ 479
Preparing and checking before winter ................................... 390 Engine switch (ignition switch) ...........211
Engine switch light
(ignition switch light)........................ 425
Event data recorder (EDR)................... 10
Exhaust gas precautions ...................... 55
First-aid kit holder ................................ 436
Flat tire ...................................................... 536
Floor mats....................................................26
Fluid Automatic transmission .................. 567
Brake....................................................... 568
Steering ................................................. 568
Washer ...................................................489
Fog lights...................................................236 Replacing light bulbs ......................... 512
Switch ...................................................... 236
Footwell lights .........................................425
Four-wheel AHC (Active Height Control Suspension) ....................... 302 Easy access mode ............................304
Disabling the height control .........305
Selecting vehicle height.................. 302
Four-wheel drive system Center differential lock/unlock ...........................................311
Four-wheel drive control switch .................................................... 310
Warning light ....................................... 526
Front automatic air conditioning system .....................................................407
Front doors .................................................121
F
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

623Alphabetical index
LX570_OM_OM60T33U_(U)
Front passenger occupant classification system ............................ 49
Front passenger’s seat belt reminder light ..................................... 526
Front seats .................................................146 Adjustment ............................................. 146
Cleaning ................................................ 465
Correct driving posture .................... 28
Driving position memory ................ 157
Head restraints ....................................... 161
Power easy access system ............ 157
Seat heaters .......................................... 423
Seat ventilators .................................... 423
Front side marker lights ..................... 228 Light switch ...........................................228
Replacing light bulbs ......................... 512
Front turn signal lights ........................ 224 Turn signal lever ................................. 224
Replacing light bulbs ......................... 512
Fuel ............................................................. 570 Capacity ................................................ 564
Fuel gauge ................................................ 92
Fuel pump shut off system.............523
Gas station information ................. 635
Information ........................................... 570
Refueling.................................................246
Type ......................................................... 564
Warning light .......................................526 Fuel consumption information........... 110
Fuel filler door.........................................246
Opener ................................................... 248
Refueling ................................................ 246
Fuel pump shut off system ................ 523
Fuses.......................................................... 509
Gas station information ..................... 635
Garage door opener.......................... 454
Gauges.........................................................92
Glove box ................................................429
Hands-free system (for cellular phone)
*
Head restraints......................................... 161
Headlight cleaner .................................245
Headlights ............................................... 228 Automatic headlight leveling ....... 230
Automatic High Beam system ..... 231
Light switch........................................... 228
Replacing light bulbs ......................... 512
Head-up display .....................................105
Heated steering wheel .......................422
Heaters Front automatic air conditioning system .................................................. 407
Outside rear view mirrors .............. 413
Seat heaters .......................................... 423
High mounted stoplight Replacing ................................................. 512
G
H

627Alphabetical index
LX570_OM_OM60T33U_(U)
Power steeringFluid.......................................................... 568
Power windows ........................................ 171 Jam protection function ..................... 171
Operation ................................................. 171
Window lock switch............................ 171
Radar cruise control (dynamic radar cruise control with
full-speed range) ............................... 276
Radiator .................................................... 483
Radio
*
Rear air conditioning system ............ 418
Rear seat ................................................... 148 Adjustment ............................................. 148
Folding the third seats ........................ 151
Tumbling the second seats ............ 149
Rear side marker lights ...................... 228 Light switch ...........................................228
Replacing light bulbs ......................... 512
Rear turn signal lights ......................... 224 Replacing light bulbs ......................... 512
Turn signal lever ................................. 224
Rear view mirror Inside rear view mirror ..................... 166
Outside rear view mirrors .............. 168
Rear view monitor system
*
Rear window defogger ........................413
Rear window wiper.............................. 242
Refueling .................................................. 246 Capacity ................................................ 564
Fuel types .............................................. 564
Opening the fuel tank cap.............246 Remote touch/12.3-inch
display .................................................... 400
Replacing Electronic key battery ..................... 507
Fuses ....................................................... 509
Light bulbs............................................... 512
Tires ..........................................................536
Reporting safety defects for U.S. owners ........................................... 601
Resetting the message indicating maintenance is required .................469
Safety Connect ......................................... 74
Scheduled maintenance ................... 468
Seat belts .................................................... 30 Adjusting the seat belt........................ 33
Automatic Locking Retractor ........ 34
Child restraint system installation ............................................. 57
Cleaning and maintaining the seat belt ............................................... 466
Emergency locking retractor ......... 34
How to wear your seat belt............. 28
How your child should wear the seat belt .......................................... 34
Pregnant women, proper seat belt use ................................................... 35
Reminder light and buzzer ........... 526
Seat belt extender ................................ 34
Seat belt pretensioners...................... 33
SRS warning light .............................. 524
R
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