engine overheat Lexus GS350 2017 User Guide

6027-2. Steps to take in an emergency
GS350_200t_GS F_OM_OM30F83E_(EE)
If your vehicle overheats
●The needle of the engine coolant temperature gauge ( P. 108, 113) enters
the red zone or a loss of engine power is experienced. (For example, the vehi-
cle 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 is coming from under the hood.
Stop the vehicle in a safe place and turn 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, imme-
diately contact any authorized Lexus
retailer or Lexus authorized repairer, or
any reliable repairer.
The following may indicate that your vehicle is overheating.
Correction procedures
1
2
3
1
2

661
Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Clock ...............................................109, 429
Coat hooks .............................................. 434
Condenser ............................................. 466
Console box ........................................... 420
Console box light................................... 421
Coolant ..................................................... 464
Capacity ................................................. 625
Checking ............................................... 464
Preparing and checking before winter ....................................383
Cooling system ...................................... 464 Engine overheating ..........................602
Cruise control Cruise control .....................................355
Dynamic radar cruise control with full-speed range......................331
Dynamic radar cruise control ..... 343
Cup holders ............................................. 421
Curtain shield airbags ............................ 51
Customizable features ....................... 634
DAB (Digital Audio Broadcast) *
Daytime running light system ......... 264
Defogger Front windshield ................................. 402
Outside rear view mirrors.............402
Rear window ........................................ 402
Differential Front differential.................................. 627
Rear differential ................................... 627 Digital Audio Broadcast (DAB)
*
Dimensions ............................................... 612
Display 12.3-inch display ................................ 394
Drive information.......................122, 130
Dynamic radar cruise control
with full-speed range ..................... 331
Dynamic radar cruise control ..... 343
LDA (Lane Departure Alert with steering control)..................... 321
LKA (Lane-Keeping Assist) .......... 312
Multi-information display.........121, 129
Trip information ...........................108, 113
Warning message ............................ 524
Do-it-yourself maintenance ............. 449
Door courtesy lights Location ................................................... 416
Wattage ................................................... 631
Door lock Doors......................................................... 159
Smart entry & start system ............. 173
Wireless remote control ................. 154
Doors...........................................................159 Automatic door locking and
unlocking system ............................. 163
Door glasses.......................................... 214
Door lock ................................................ 162
Open door warning buzzer .......... 174
Open door warning light .............. 520
Outside rear view mirrors ................ 211
Rear door child-protector ............. 163
D
* : Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.

662Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Double locking system ........................... 91
Drive info 1/Drive info 2/
Drive info 3 ................................. 126, 138 Drive information ...................... 122, 130
Resetting........................................ 122, 130
Drive-Start Control ..................223, 252
Driver’s seat position memory ......... 199 Driving position memory .............. 200
Memory recall function .................. 202
Power easy access system ............ 199
Driving ....................................................... 222 Break-in tips ......................................... 224
Correct driving posture .................... 44
Driving mode select switch ......... 358
Procedures ........................................... 222
Winter drive tips.................................383
Dynamic radar cruise control.......... 343 Function .................................................. 343
Warning message............................. 524
Dynamic radar cruise control with
full-speed range .................................. 331Function ....................................................331
Warning message............................. 524
DVD player *
Eco drive mode .................................... 358
Eco Driving Indicator ........................... 106
Eco Driving Indicator Light ................................................126, 137 Eco driving meter .................................... 113
Electric Power Steering (EPS) ....... 376
Function.................................................. 376
Warning light.........................................519
Warning message ............................ 524
Electronic key ..........................................154
Battery-saving function .................... 175
If the electronic key does not operate properly............................ 594
Replacing the battery ........................ 491
Emergency, in case of If a warning buzzer sounds ............518
If a warning light turns on ................518
If a warning message is
displayed ............................................ 524
If the battery is discharged ........... 597
If the electronic key does not operate properly............................ 594
If the engine will not start ...............590
If the parking brake cannot be released ....................................... 592
If you have a flat tire.............. 557, 573
If you think something is wrong ................................................ 516
If your vehicle becomes stuck ....608
If your vehicle has to be stopped in an emergency .........509
If your vehicle needs to
be towed ..............................................510
If your vehicle overheats................ 602
E

663
Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Emergency brake signal .................... 376
Emergency flashers ............................ 508
Emergency tire puncture
repair kit ................................................ 573
Engine......................................................... 616 Accessory mode.................................. 241
Compartment...................................... 454
Engine switch....................................... 240
Hood ..........................................................451
How to start the engine .................. 240
Identification number ........................ 615
Ignition switch
(engine switch) ................................ 240
Overheating .........................................602
Engine compartment cover ............. 457
Engine coolant ....................................... 464 Capacity ................................................. 625
Checking ............................................... 464
Preparing and checking before winter ....................................383
Engine coolant temperature gauge.............................................. 108, 113
Engine oil.................................................. 459 Capacity .................................................. 618
Checking ...............................................459
Oil level warning message ........... 524
Oil pressure warning message.............................................. 524
Preparing and checking before winter ....................................383 Engine switch ......................................... 240
Auto power off function ..................242
Changing the engine switch modes.................................................... 241
If your vehicle has to be stopped in an emergency .........509
Starting the engine............................ 240
EPS (Electric Power Steering) ....... 376
Function.................................................. 376
Warning light.........................................519
Warning message ............................ 524
Expert mode........................................... 378
First-aid kit storage net ...................... 425
Flat tire
Vehicles with spare tire.................. 557
Vehicles without spare tire........... 573
Floor mats ................................................... 42
Fluid Automatic transmission.................. 626
Brake ....................................................... 628
Washer ................................................... 470
Fog lights .................................................. 275
Replacing light bulbs ....................... 504
Switch .......................................................275
Follow me home system .................... 263
Footwell light ............................................416
Front air conditioning system .......... 396
Front fog lights ....................................... 275 Replacing light bulbs ....................... 504
Switch .......................................................275
F
*: Refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.

668Alphabetical index
GS350_200t_GS F_OM_OM30F83E_(EE)
Multi-information display ........... 121, 129
Boost meter/oil temperature
gauge/oil pressure gauge...........123
Drive information ...................... 122, 130
Dynamic radar cruise control ..... 343
Dynamic radar cruise control
with full-speed range......................331
“F” content ............................................... 132
G-force.......................................... 124, 135
Lap timer ..................................................132
LDA ((Lane Departure Alert with steering control) ..................... 317
LKA (Lane-Keeping Assist) .........307
Torque distribution .............................134
Warning message............................. 524
nanoe  system .....................................406
Navigation system *
Odometer........................................ 108, 113 Oil Engine oil ................................................ 618
Front differential oil ........................... 627
Rear differential oil............................. 627
Opener
Fuel filler door...................................... 282
Hood ..........................................................451
Trunk ......................................................... 166
Outer foot lights
Location....................................................416
Replacing light bulbs....................... 500
Wattage....................................................631 Outside rear view mirrors ................... 211
Adjusting and folding .......................... 211
BSM (Blind Spot Monitor) ........... 363
Linked mirror function
when reversing ................................. 212
Mirror position memory .................. 199
Outside rear view mirror defoggers ......................................... 402
Outside temperature display .............................................109, 115
Overheating, Engine .......................... 602
Paddle shift switches ........................... 248
Parking assist sensors *
Parking brake......................................... 256
If the parking brake cannot be released ....................................... 592
Operation ............................................. 256
Parking brake engaged warning buzzer............................... 524
Parking brake engaged
warning message .......................... 524
PCS
(Pre-Crash Safety system)............ 295Function.................................................. 295
Warning light.........................................519
Warning message ............................ 524
Personal lights.......................................... 417
Pop-up display.............................. 126, 138
Pollen removal mode.......................... 402
Power easy access system .................199
Power outlets ......................................... 430
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