2016 Lexus ES350 overheating

ES350_OM_OM33B64U_(U)
772. Instrument cluster
2
Instrument cluster
NOTICE
■To prevent damage to the engine and its components
●Do not let the indicator needle of the tachometer enter the red zone, which indicates
the maximum engine speed.
●The engine may be overheating if the engine coolant temperature gauge is in the red
zone (H); or “Engine Coolant Temp High” is shown on the multi-information display.
In this case, immediately stop the vehicle in a safe place, and check the engine after it
has cooled completely. ( P. 5 0 5 )

154
ES350_OM_OM33B64U_(U)4-2. Driving procedures
■When the steering lock cannot be released
■Steering lock motor overheating prevention
To prevent the steering lock motor from overheating, the motor may be suspended if the
engine is turned on and off repeatedly in a sh
ort period of time. In this case, refrain from
operating the engine. After about 10 seconds, the steering lock motor will resume func-
tioning.
■When “Check Access System with Elec. Key” is displayed on the multi-information dis-
play
The system may be malfunctioning. Have the vehicle inspected by your Lexus dealer
immediately.
■If the electronic key battery is depleted
 P. 4 5 1
■Operation of the engine switch
●When operating the engine switch, one short, firm press is enough. If the switch is
pressed improperly, the engine may not start or the engine switch mode may not
change. It is not necessary to press and hold the switch.
●If attempting to restart the engine immediat ely after turning the engine switch off, the
engine may not start in some cases. After tu rning the engine switch off, please wait a
few seconds before re starting the engine.
■If the smart access system with push-butto n start has been deactivated in a customized
setting
 P. 4 9 9
■Odometer and trip meter display
When the engine switch is tu rned off, the odometer or trip meter display will extinguish
after approximately 30 seconds. “Steering Lock active” will be displayed on the
multi-information display.
Check that the shift lever is set in P. Press the
engine switch while turning the steering wheel
left and right.

258
ES350_OM_OM33B64U_(U)4-5. Using the driving support systems
■Operating conditions of hill-start assist control
When the following four conditions are met,
the hill-start assist control will operate:
●The shift lever is in a position other than P or N (when starting off forward/backward on
an upward incline).
●The vehicle is stopped.
●The accelerator pedal is not depressed.
●The parking brake is not engaged.
■Automatic system cancelation of hill-start assist control
The hill-start assist control will turn off in any of the following situations:
●The shift lever is moved to P or N.
●The accelerator pedal is depressed.
●The parking brake is engaged.
●Approximately 2 seconds elapse after the brake pedal is released.
■Reduced effectiveness of the EPS system
The effectiveness of the EPS system is reduced to prevent the system from overheating
when there is frequent steering input over an extended period of time. The steering
wheel may feel heavy as a result. Should this occur, refrain from excessive steering input
or stop the vehicle and turn the engine of f. The EPS system should return to normal
within 10 minutes.

373
ES350_OM_OM33B64U_(U)6-1. Using the air conditio
ning system and defogger
6
Interior features
Heated steering wheel/seat heaters/
seat ventilators


: If equipped
Heated steering wheel and seat heaters heat the side grips of the steering
wheel and seats, respectively. Seat ventilators maintain good airflow by blow-
ing air from the seats.
WA R N I N G
●Care should be taken to prevent injury if anyone in the following categories comes in
contact with the steering wheel an d seats when the heater is on:
• Babies, small children, the elderly, the sick and the physically challenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (s leeping drugs, cold
remedies, etc.)
●Observe the following precautions to prevent minor burns or overheating:
• Do not cover the seat with a blanket or cushion when using the seat heater.
• Do not use the seat heater more than necessary.
NOTICE
●Do not put heavy objects that have an uneven surface on the seat and do not stick
sharp objects (needles, nails, etc.) into the seat.
●To prevent battery discharge, do not use th e functions when the engine is not running.

505
ES350_OM_OM33B64U_(U)8-2. Steps to take in an emergency
8
When trouble arises
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
sufficiently, 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 coolant level is satisfactory if it is
between the “FULL” and “LOW” line
on the reservoir.Reservoir
“FULL”
“LOW”
Radiator cap
The following may indicate that your vehicle is overheating.
●The needle of the engine coolant temperature gauge ( P. 74 ) e n t e r s t h e
red zone or a loss of engine power is experienced. (For example, the vehicle
speed does not increase.)
●Steam comes out from under the hood.
Correction procedures
1
2
3
1
2
4
1
2
3
4

562Alphabetical index
ES350_OM_OM33B64U_(U)
Child restraint systemBooster seats, definition ......................51
Booster seats, installation..................60
Convertible seats, definition ..............51
Convertible seats, installation ........ 58
Front passenger occupant classification system ......................... 44
Infant seats, definition ............................51
Infant seats, installation ...................... 58
Installing CRS with LATCH anchors .....................56
Installing CRS with seat belts ......... 58
Installing CRS with top tether strap ...........................61
Child safety ................................................ 50 Airbag precautions .............................. 37
Battery precautions ........................... 434, 504
Child restraint system ...........................51
How your child should wear the seat belt ............................................31
Installing child restraints.....................55
Moon roof precautions.................... 135
Power window lock switch ............ 129
Power window precautions ............ 131
Rear door child-protectors .............96
Removed electronic key battery precautions...............452
Seat belt extender precautions ........................................... 33
Seat belt precautions .......................... 33
Seat heater precautions.................. 373
Trunk precautions............................... 102 Child-protectors ......................................96
Cleaning
Aluminum wheels ..............................409
Exterior .................................................. 408
Interior .........................................................411
Seat belts.................................................. 412
Clock......................................................... 385
Coat hooks ............................................. 390
Condenser................................................ 431
Console box ............................................379
Console box light ..................................379
Consumption screen ............................. 84
Cooling system Engine overheating ......................... 505
Cruise control Cruise control ....................................... 217
Dynamic radar cruise control .....205
Cup holders............................................ 380
Curtain shield airbags ........................... 35
Customizable features ...................... 533
Daytime running light system............ 162
Defogger Front windshield.................................368
Outside rear view mirrors ............368
Rear window........................................368
Dimension ................................................. 512
Dinghy towing .........................................150
Display Dynamic radar cruise control .....205
LDA (Lane Departure Alert with steering control) .....................196
Multi-information display.................. 78
Trip information ..................................... 85
Warning message............................. 482
D

564Alphabetical index
ES350_OM_OM33B64U_(U)
EngineAccessory mode................................. 152
Compartment......................................425
Engine switch .......................................... 151
Hood ........................................................ 423
How to start the engine ..................... 151
Identification number ........................ 513
If the engine will not start............... 496
Ignition switch (engine switch)....... 151
Overheating ........................................ 505
Engine compartment cover ............. 426
Engine coolant Capacity .................................................. 516
Checking............................................... 430
Preparing and checking before winter ................................... 260
Engine coolant temperature gauge .........................................................74
Engine immobilizer system ................. 65
Engine oil Capacity .................................................. 514
Checking................................................ 427
Preparing and checking before winter ................................... 260
Enhanced VSC ..................................... 255
EPS (Electronic Po wer Steering)
Function ..................................................256
Warning light ....................................... 477
Event data recorder (EDR) ...................10 Flat tire ...................................................... 485
Floor mats....................................................26
Fluid
Automatic transmission .................... 517
Brake.......................................................... 517
Washer ................................................... 435
Fog lights Switch ....................................................... 168
Footwell light ...........................................375
Front passenger occupant classification system ............................44
Front personal lights ............................376
Front seats Adjustment................................................114
Cleaning.....................................................411
Correct driving posture .................... 28
Driving position memory.................. 115
Head restraints ...................................... 119
Power easy access system .............. 115
Seat heaters .......................................... 374
Seat position memory ........................ 115
Seat ventilators.................................... 374
Front side marker lights Light switch.............................................. 161
Replacing light bulbs .........................461
Wattage .................................................520
Front turn signal lights Replacing light bulbs ....................... 459
Turn signal lever ...................................159
Wattage .................................................520F

568Alphabetical index
ES350_OM_OM33B64U_(U)
Ornament lights .................................... 375
Outer foot lightsOuter foot lights .................................375
Wattage ................................................. 520
Outside rear view mirrors Adjusting and folding........................ 126
Blind spot monitor............................. 247
Linked mirror function when reversing .................................. 127
Mirror position memory .................... 115
Outside rear view mirror defoggers ........................... 368
Outside temperature display ..............74
Overheating ...........................................505
Parking assist sensors (intuitive parking assist) .................. 220
Parking brake Operation ............................................... 160
Parking brake engaged warning buzzer ................................ 160
Parking lights Light switch .............................................. 161
Replacing light bulbs ........................464
PCS (Pre-Collision System) Function ................................................... 183
Warning light ....................................... 477
Personal lights........................................ 376 Power easy access system .................. 115
Power outlets ......................................... 385
Power steering (Electric Power
Steering system)................................ 256 Warning light ........................................477
Power trunk opener and closer .........99
Power windows Door lock linked window operation .......................... 130
Jam protection function.................... 129
Operation................................................ 129
Window lock switch .......................... 129
Pre-Collision System (PCS) Function ................................................... 183
Warning light ........................................477
Radar cruise control (dynamic radar cruise control)........................ 205
Radiator...................................................... 431
Radio
*.......................................................292
RCTA (Rear Cross Traffic Alert)......................................... 247
Rear personal lights .............................376
Rear side marker lights Light switch.............................................. 161
Replacing light bulbs ....................... 464
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