2022 LEXUS ES350 engine overheat

1554-2. Driving procedures
4
Driving
■Turning the automatic mode off
While the vehicle is stopped, pull and
hold the parking brake switch until a
message is shown on the multi-infor-
mation display
■Parking brake operation
●When the engine switch is not in IGNI-
TION ON mode, the parking brake can-
not be released using the parking brake
switch.
●When the engine switch is not in IGNI-
TION ON mode, automatic mode (auto-
matic brake setting and releasing) is not
available.
■Parking brake automatic release func-
tion
●When the shift lever is shifted from P, the
parking brake will be released in auto-
matic mode.
●When all of the following conditions are
met in manual mode, the parking brake
can be released by depressing the accel-
erator pedal.
• The driver’s door is closed
• The driver is wearing the seat belt
• The shift lever is in D, S or R
■If “Parking Brake Temporarily Unavail-
able” is displayed on the multi-informa-
tion display
If the parking brake is operated repeatedly
over a short period of time, the system may
restrict operation to prevent overheating. If
this happens, refrain from operating the
parking brake. Normal operation will return
after about 1 minute.
■If “Parking Brake Unavailable” or “EPB
Unavailable” is displayed on the multi-
information display
Operate the parking brake switch. If the
message does not disappear after operat-
ing the switch several times, the system may
be malfunctioning. Have the vehicle
inspected by your Lexus dealer.
■Parking brake operation sound
When the parking brake operates, a motor
sound (whirring sound) may be heard. This
does not indicate a malfunction.
■Parking brake indicator light
●Depending on the engine switch mode,
the parking brake indicator light will turn
on and stay on as described below:
IGNITION ON mode: Comes on until
the parking brake is released.
Not in IGNITION ON mode: Stays on
for approximately 15 seconds.
●When the engine switch is turned off with
the parking brake set, the parking brake
indicator light will stay on for about 15
seconds. This does not indicate a mal-
function.
■When the parking brake switch mal-
functions
Automatic mode (automatic brake setting
and releasing) will be turned on automati-
cally.
■Parking the vehicle
 P.134
■Parking brake engaged warning buzzer
A buzzer will sound if the vehicle is driven
with the parking brake engaged. “EPB
Applied” is displayed on the multi-informa-
tion display (with the vehicle reached a
speed of 3 mph [5 km/h]).
■If the brake system warning light comes
on
 P.351
■Usage in winter time
 P.251

2494-5. Using the driving support systems
4
Driving
■If a message about AWD is shown on the multi-information display
Perform the following actions.
MessageDetails/Actions
“AWD System Overheated
Switching to 2WD Mode”
AWD system is overheating.
 Perform the following actions.
 Reduce the vehicle speed until the message disappears.
 Stop the vehicle in a safe place and let the engine idle.
Once the display message on the multi-information display
turns off, there is no problem continuing to drive.
If the message does not disappear, have your vehicle
checked by your Lexus dealer immediately.
“AWD System Overheated
2WD Mode Engaged”
The vehicle switched from all-wheel drive (AWD) to front
wheel drive due to overheating.
 Perform the following actions.
 Reduce the vehicle speed until the message disappears.
 Stop the vehicle in a safe place and let the engine idle.
Once the display message on the multi-information display
turns off, the AWD system returns to normal.
If the message does not disappear, have your vehicle
checked by your Lexus dealer immediately.
“AWD System Malfunction
2WD Mode Engaged Visit
Your Dealer”A malfunction occurred in the AWD system.
 Have your vehicle checked by your Lexus dealer imme-
diately.
WARNING
■The ABS does not operate effectively
when
●The limits of tire gripping performance
have been exceeded (such as exces-
sively worn tires on a snow covered
road).
●The vehicle hydroplanes while driving
at high speed on wet or slick roads.
■Stopping distance when the ABS is
operating may exceed that of normal
conditions
The ABS is not designed to shorten the
vehicle’s stopping distance. Always
maintain a safe distance from the vehicle
in front of you, especially in the following
situations:
●When driving on dirt, gravel or snow-
covered roads
●When driving with tire chains
●When driving over bumps in the road
●When driving over roads with pot-
holes or uneven surfaces

2715-3. Using the air conditioning system
5
Interior features
■Operation condition
The engine switch is in IGNITION ON
mode.
■Air conditioning system-linked control
mode
When the seat ventilator fan speed level is
Hi (when “AUTO” is selected), the seat
ventilator fan speed may become higher
according to the fan speed of the air condi-
tioning system.
■When AUTO mode is selected
The following functions may turn off
according to the air conditioning set tem-
perature, outside temperature, etc.
●Seat heaters
●Seat ventilators
■Stored settings
When the engine switch is turned to IGNI-
TION ON mode, the stored settings of the
following functions are recalled.
●Seat heaters
●Seat ventilators
■Main display
Using the touchpad of the Remote
Touch, select the button on the screen.
This system can also be operated by
the touch screen.
Adjust the seat ventilator fan speed
level
The seat ventilator can be adjusted in 3
levels.
When the seat ventilator is operated, the
fan speed level is displayed on the screen.
Adjust the seat heater temperature
level
The seat heater can be adjusted in 3 levels.
When the seat heater is operated, the tem-
perature level is displayed on the screen.
Adjust the heated steering wheel
temperature level
The heated steering wheel can be adjusted
in 2 levels.
When the heated steering wheel is oper-
ated, the temperature level is displayed on
the screen.
Automatic mode on/off indicators
When the automatic mode is on, the indi-
cator illuminates on the screen.
Sub function menu
WARNING
■To prevent overheating and minor
burn injuries
Observe the following precautions when
using the seat heaters.
●Do not cover the seat with a blanket or
cushion when using the seat heater.
●Do not use seat heater more than nec-
essary.
Control screen
A
B
C
D
E

343
7
7
When trouble arises
When trouble arises
7-1. Essential informationEmergency flashers.................. 344
If your vehicle has to be stopped in an emergency ..................... 344
If the vehicle is submerged or water on the road is rising .. 345
7-2. Steps to take in an emergency
If your vehicle needs to be towed........................................................ 347
If you think something is wrong ........................................................ 349
Fuel pump shut off system ..... 350
If a warning light turns on or a warning buzzer sounds ........ 351
If a warning message is displayed ......................................................... 361
If you have a flat tire.................. 365
If the engine will not start ....... 374
If you lose your keys ................. 375
If the fuel filler door cannot be opened........................................ 376
If the electronic key does not operate properly .................... 376
If the battery is discharged .... 379
If your vehicle overheats ........ 382
If the vehicle becomes stuck 385

3827-2. Steps to take in an emergency
1Stop the vehicle in a safe place and
turn off the air conditioning system,
and then stop the engine.
2 If you see steam:
Carefully lift the hood after the
steam subsides.
If you do not see steam:
Carefully lift the hood.
3 After the engine has cooled down
sufficiently, inspect the hoses and
WARNING
●When working with the battery, always
wear safety glasses and take care not
to allow any battery fluids (acid) to
come into contact with skin, clothing
or the vehicle body.
●Do not lean over the battery.
●In the event that battery fluid comes
into contact with the skin or eyes,
immediately wash the affected area
with water and seek medical attention.
Place a wet sponge or cloth over the
affected area until medical attention
can be received.
●Always wash your hands after han-
dling the battery support, terminals,
and other battery-related parts.
●Do not allow children near the battery.
■When replacing the battery
When the vent plug and indicator are
close to the hold down clamp, the battery
fluid (sulfuric acid) may leak.
NOTICE
■When handling jumper cables
When connecting the jumper cables,
ensure that they do not become entan-
gled in the cooling fan or engine drive
belt.
If your vehicle overheats
The following may indicate that
your vehicle is overheating.
 The engine coolant temperature
gauge ( P.68, 71) is in the red
zone or a loss of engine power is
experienced. (For example, the
vehicle speed does not increase.)
 “Engine Coolant Temp High Stop
in a Safe Place See Owner’s
Manual” is shown on the multi-
information display.
 Steam comes out from under the
hood.
Correction procedures

438Alphabetical index
C
Card key ............................................................ 92
Care ........................................................298, 301Aluminum wheels ......................................298
Exterior ...........................................................298
Interior .............................................................. 301
Seat belts......................................................... 301
Cargo capacity...............................................142
Cargo hooks ................................................. 279
Center Display ............................................. 258
Chains .............................................................. 252
Child-protectors............................................. 99
Child restraint system................................... 43 Fixed with a LATCH system ..................50
Fixed with a seat belt....................................47
Front passenger occupant classification system ..............................................................37
Points to remember .................................... 43
Riding with children ..................................... 43
Types of child restraint system installation method ........................................................... 44
Using an anchor bracket .......................... 53
Child safety ....................................................... 43 Airbag precautions...................................... 33
Battery precautions .........................318, 381
Child restraint system................................. 44
Heated steering wheel and seat heater precautions................................................ 269
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................ 127
Panoramic moon roof precautions... 130
Power window lock switch..................... 124
Power window precautions ................... 124
Rear door child-protectors ..................... 99
Seat belt extender precautions ............. 25
Seat belt precautions .................................. 43
Trunk precautions ...................................... 100
Cleaning ................................................298, 301 Aluminum wheels ......................................298
Exterior ...........................................................298 Interior .............................................................. 301
Radar sensor ....................................... 171, 209
Seat belts ......................................................... 301
Clock .................................................68, 71, 280
Coat hooks.....................................................288
Compass ......................................................... 294
Condenser .......................................................316
Console box ................................................... 277
Console box light .........................................277
Cooling system...............................................316 Engine overheating...................................382
Cornering lights ............................................ 160 Replacing light bulbs............................... 338
Cruise control Dynamic radar cruise control with full-speed range ............................................... 198
Cup holder ......................................................277
Current fuel consumption .......................... 78
Curtain shield airbags .................................. 28
Customizable features ..............................408
Custom mode .................................................213
D
Daytime running light system .................. 158
Defogger Outside rear view mirrors.....................263
Rear window ................................................263
Windshield ....................................................263
Dimension ......................................................388
Dinghy towing.................................................143
Display BSM (Blind Spot Monitor)................... 208
Dynamic radar cruise control with full-speed range ............................................... 198
Head-up display............................................83
Intuitive parking assist ................................216
LTA (Lane Tracing Assist) ....................... 191
Multi-information display .......................... 76
Parking Support Brake function (rear pedestrians)............................................... 244
RCD (Rear Camera Detection) ........ 229
RCTA............................................................... 223

Alphabetical index439
Warning message..................................... 224
Distance until next engine oil change .. 70, 74
Do-it-yourself maintenance .................... 304
Door courtesy lights ................................... 273
Door lock Doors.................................................................. 96
Smart access system with push-button start ..................................................................107
Wireless remote control........................... 94
Doors ................................................................... 96 Automatic door locking and unlocking system ............................................................. 99
Door glasses .................................................. 123
Door lock.......................................................... 96
Open door warning buzzer ................... 99
Outside rear view mirrors ......................120
Rear door child-protectors ..................... 99
Drive distance .................................................. 78
Drive info 1/Drive info 2 .............................. 78
Driver’s seat position memory .................. 113 Driving position memory.......................... 113
Memory recall function ............................. 115
Drive-Start Control (DSC) Sudden start restraint control................139
Driving................................................................134 Break-in tips ...................................................135
Correct driving posture .............................23
Driving Mode Select switch................... 213
Procedures .....................................................134
Winter drive tips...........................................251
Driving information display ......................... 77
Driving Mode Select switch......................213
Driving range ................................................... 78
Driving support system information display .............................................................................80
DSC (Drive-Start Control) Sudden start restraint control................139
Dynamic radar cruise control with full- speed range ................................................. 198 Warning message..................................... 207
Dynamic Torque Control AWD system .......................................................................... 246
E
Eco drive mode ..............................................213
Eco Driving Indicator................... 79, 80, 86
Eco Driving Indicator Light .........................79
EDR (Event data recorder) ........................... 8
Elapsed time ..................................................... 78
Electric Power Steering (EPS)
Function ..........................................................246
Warning light ...............................................353
Electronic key .................................................. 92 Battery-saving function............................ 109
If the electronic key does not operate properly .......................................................376
Replacing the battery...............................333
Electronic roof sunshade Jam protection function ............................129
Operation ....................................................... 128
Emergency, in case of If a warning buzzer sounds.................... 351
If a warning light turns on........................ 351
If a warning message is displayed ...... 361
If the battery is discharged ....................379
If the electronic key does not operate properly .......................................................376
If the engine will not start........................ 374
If the fuel filler door cannot be opened ..........................................................................376
If the vehicle is submerged or water on the road is rising ......................................345
If you have a flat tire ................................. 365
If you lose your keys ................................. 375
If you think something is wrong..........349
If your vehicle becomes stuck ............ 385
If your vehicle has to be stopped in an emergency................................................. 344
If your vehicle needs to be towed ..... 347
If your vehicle overheats ........................382
Emergency flashers .................................... 344
Engine ................................................................144 ACCESSORY mode................................147

440Alphabetical index
Compartment ............................................... 312
Engine switch.................................................144
Fuel pump shut off system ................... 350
Hood................................................................. 310
How to start the engine............................144
Identification number ...............................389
If the engine will not start ....................... 374
If your vehicle has to be stopped in an emergency ................................................ 344
Ignition switch (engine switch) .............144
Overheating .................................................382
Tachometer .............................................. 68, 71
Engine coolant ................................................316 Capacity ......................................................... 392
Checking .........................................................316
Preparing and checking before winter...........................................................................251
Engine coolant temperature gauge .68, 71
Engine immobilizer system ........................ 59
Engine oil ..........................................................313 Capacity .........................................................390
Checking .........................................................313
Preparing and checking before winter...........................................................................251
Warning light ............................................... 352
Engine oil maintenance data ....................315
Engine switch .................................................. 144 Auto power off function ........................... 147
Changing the engine switch modes.. 147
If your vehicle has to be stopped in an emergency ................................................ 344
Starting the engine ...................................... 144
Enhanced Vehicle Stability Control (Enhanced VSC) ...................................... 246
Enhanced VSC (Enhanced Vehicle Stabil- ity Control) .................................................. 246
EPS (Electric Power Steering) .............. 246 Function .......................................................... 246
Warning light ...............................................353
Event data recorder (EDR) ........................... 8F
Flat tire ............................................................. 365 Tire pressure warning system ............. 322
Floor mats ...........................................................22
Fluid Automatic transmission ..........................393
Brake ................................................................394
Washer ............................................................ 319
Footwell light ................................................. 273
Front passenger occupant classification system ...............................................................37
Front seats ......................................................... 112 Adjustment ....................................................... 112
Cleaning .......................................................... 301
Correct driving posture ............................ 23
Driving position memory .......................... 113
Head restraints............................................... 116
Memory recall function.............................. 115
Power easy access system ...................... 113
Seat heaters ..................................................269
Seat position memory ................................ 113
Seat ventilators ............................................269
Front side marker light ............................... 158 Light switch .................................................... 158
Front side marker lights Replacing light bulbs................... 338, 339
Wattage ......................................................... 396
Front turn signal lights .................................153 Replacing light bulbs................... 338, 339
Turn signal lever .......................................... 153
Wattage ......................................................... 396
Fuel ......................................................................169 Capacity ........................................................ 390
Fuel gauge.................................................68, 71
Fuel pump shut off system.................... 350
Information ....................................................397
Refueling.......................................................... 169
Type ................................................................. 390
Warning light ...............................................354
Fuel consumption Average fuel economy .............................. 78