2019 Lexus ES350 overheating

3777-2. Steps to take in an emergency
7
When trouble arises
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 handling
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.64, 67) 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

430Alphabetical index
C
Care .......................................................296, 299Aluminum wheels ...................................... 296
Exterior ........................................................... 296
Interior ............................................................. 299
Seat belts........................................................ 299
Cargo capacity...............................................135
Cargo hooks ................................................. 268
Center Display ............................................. 244
Chains ................................................................ 241
Child-protectors............................................. 92
Child restraint system................................... 42 Fixed with a LATCH system .................. 49
Fixed with a seat belt................................... 46
Front passenger occupant classification system ..............................................................37
Points to remember .....................................42
Riding with children ......................................42
Types of child restraint system installation method ........................................................... 43
Using an anchor bracket ............................ 51
Child safety ....................................................... 42 Airbag precautions...................................... 33
Battery precautions ............315, 376, 376
Child restraint system................................. 43
Heated steering wheel and seat heater precautions................................................258
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ..............................121
Panoramic moon roof precautions ....125
Power window lock switch...................... 119
Power window precautions .................... 119
Rear door child-protectors ..................... 92
Removed electronic key battery precau- tions ...............................................................330
Seat belt extender precautions ............. 25
Seat belt precautions ...................................24
Trunk precautions ........................................ 93
Cleaning...............................................296, 299 Aluminum wheels ...................................... 296 Exterior............................................................296
Interior .............................................................299
Radar sensor ...................................... 163, 198
Seat belts ........................................................299
Clock ................................................ 64, 67, 269
Coat hooks.....................................................280
Compass ......................................................... 286
Condenser .......................................................313
Console box .................................................. 266
Console box light ........................................ 266
Cooling system...............................................312 Engine overheating................................... 377
Cornering lights .............................................152 Replacing light bulbs ................................335
Cruise control Dynamic radar cruise control with full-
speed range ............................................... 187
Cup holder ..................................................... 266
Current fuel consumption ...........................73
Curtain shield airbags .................................. 28
Customizable features ..............................400
D
Daytime running light system .................. 150
Defogger Outside rear view mirrors..................... 252
Rear window ................................................ 252
Windshield .................................................... 252
Dimension ...................................................... 382
Dinghy towing.................................................136
Display BSM (Blind Sport Monitor)....................197
Dynamic radar cruise control with full-
speed range ............................................... 187
Head-up display............................................ 78
Intuitive parking assist ............................. 205
LTA (Lane Tracing Assist) ....................... 181
Multi-information display ............................ 71
Parking Support Brake function (rear pedestrians)............................................... 233
RCD (Rear Camera Detection) ......... 215
RCTA.................................................................. 211

432Alphabetical index
Identification number ...............................383
If the engine will not start .......................369
If your vehicle has to be stopped in an
emergency ................................................340
Ignition switch (engine switch) ............. 137
Overheating..................................................377
Tachometer .............................................64, 67
Engine coolant................................................312 Capacity ........................................................ 385
Checking ......................................................... 312
Preparing and checking before winter......................................................................... 240
Engine coolant temperature gauge 64, 67
Engine immobilizer system ........................ 54
Engine oil ......................................................... 310 Capacity .........................................................384
Checking ........................................................ 310
Preparing and checking before winter......................................................................... 240
Warning light ............................................... 349
Engine oil maintenance data ....................312
Engine switch ........................................ 137, 137 Auto power off function ................ 139, 139
Changing the engine switch modes139, 139
If your vehicle has to be stopped in an
emergency ................................... 340, 340
Starting the engine ............................ 137, 137
Enhanced Vehicle Stability Control (Enhanced VSC) ...................................... 236
Enhanced VSC (Enhanced Vehicle Stabil- ity Control) .................................................. 236
EPS (Electric Power Steering) .............. 236 Function .......................................................... 236
Warning light .............................................. 350
Event data recorder (EDR) ............................7
F
Flat tire ............................................................. 362 Tire pressure warning system ...............319
Floor mats ...........................................................22 Fluid
Automatic transmission ......................... 385
Brake ............................................................... 386
Washer ............................................................ 315
Footwell light ................................................. 262
Front passenger occupant classification system ...............................................................37
Front seats ........................................................107 Adjustment ..................................................... 107
Cleaning .........................................................299
Correct driving posture ............................ 23
Driving position memory ........................ 108
Head restraints................................................. 111
Memory recall function............................ 109
Power easy access system .................... 108
Seat heaters ................................................. 258
Seat position memory ..............................108
Seat ventilators ........................................... 258
Front side marker light ............................... 150 Light switch .................................................... 150
Front side marker lights Replacing light bulbs ................... 335, 335
Front turn signal lights .................................145
Replacing light bulbs ................... 335, 335
Turn signal lever .......................................... 145
Fuel ....................................................................... 161 Capacity ........................................................ 383
Fuel gauge ............................................... 64, 67
Fuel pump shut off system..................... 347
Information ................................................... 389
Refueling............................................................ 161
Type ................................................................. 383
Warning light ................................................ 351
Fuel consumption Average fuel economy .............................. 73
Current fuel consumption ........................ 73
Fuel filler door .................................................. 161 If the fuel filler do or cannot be opened
............................................................................371
Refueling............................................................ 161
Fuel gauge ................................................. 64, 67
Fuel pump shut off system........................ 347

435What to do if... (Troubleshooting)Alphabetical index435
MeterChanging the main meter location ....... 71
Clock ..........................................................64, 67
Indicators .......................................................... 62
Instrument panel light control ....... 66, 70
Meter control switches ...............................72
Meters ........................................................64, 67
Multi-information display ............................ 71
Settings .............................................................. 76
Units .................................................................... 75
Warning lights .............................................348
Warning message.................................... 358
Mirrors Inside rear view mirror................................114
Outside rear view mirror defoggers252
Outside rear view mirrors ....................... 115
Vanity mirrors.............................................. 269
Moon roof Door lock linked moon roof operation...................................................................121, 124
Jam protection function....................121, 124
Operation............................................. 120, 123
Multi-information display .............................. 71
Audio system-linked display................... 75
Boost gauge.....................................................74
Drive information 1/Drive information 2.............................................................................73
Driving information display.......................73
Driving support system information dis- play ................................................................... 76
Dynamic radar cruise control with full- speed range ................................................187
Eco Driving Indicator ...................................81
Gear Position ................................................. 75
G-force.............................................................. 75
LTA (Lane Tracing Assist)....................... 181
Menu icons .......................................................72
Meter control switches ...............................72
Navigation system-linked display ........ 75
Pop-up display............................................... 76
Settings .............................................................. 76
Suggestion function...................................... 77 Tire pressure ................................................. 319
Units..................................................................... 75
Warning message .................................... 358
N
Navigation system-linked display.... 75, 78
Noise from under vehicle ...............................6
O
Odometer ................................................. 65, 70
Odometer and trip meter display
“ODO TRIP” switch ...........................65, 70
Display items ..........................................65, 70
Pop-up display ...................................... 66, 70
“ODO TRIP”switch ............................... 65, 70
Oil Engine oil....................................................... 384
Opener Fuel filler door ................................................. 161
Hood ............................................................... 308
Trunk ...................................................................95
Outside door handle lig hts...................... 262
Outside rear view mirrors .......................... 115 Adjustment ....................................................... 115
BSM (Blind Sport Monitor)....................197
Folding................................................................ 116
Linked mirror functi on when reversing
............................................................................. 116
Mirror position memory ..........................108
Outside rear view mirror defoggers252
RCTA function ............................................... 211
Outside temperature............................ 64, 67
Overheating ...................................................377
P
Paddle shift switches ..........................143, 144
Panic mode ....................................................... 87
Panoramic moon roof Jam protection function ............................124
Operation ........................................................123