engine overheat LEXUS RC200T 2017 User Guide

6598-2. Steps to take in an emergency
8
When trouble arises
RC200t_RC F_EE(OM24728E)
●The engine coolant temperature gauge (P. 118, 124) is in the red zone or a
loss of engine power is experienced. (F or example, the vehicle speed does not
increase.)
●“Engine Coolant High Temperature” is shown on the multi-information dis-
play.
●Steam comes out 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, immediately contact any authorized Lexus dealer or repairer, or another duly qualified and equipped professional.
If your vehicle overheats
The following may indicate that your vehicle is overheating.
Correction procedures
1
2
3
1
2
RC200tRC F

707Alphabetical index
RC200t_RC F_EE(OM24728E)
Moon roof precautions .................. 234
Power window lock switch............227
Power window precautions .........230
Removed electronic key
battery precautions ...................... 565
Seat belt precautions .......................... 48
Seat heater precautions ................ 490
Trunk precautions .............................. 173
Cleaning .......................................... 506, 511
Aluminum wheels ..............................507
Exterior................................................... 506
Interior ........................................................ 511
Seat belts..................................................512
Clock .......................................................... 501
Coat hooks ..............................................504
Condenser ............................................. 529
Console box ........................................... 496
Cooling system ...................................... 527
Engine overheating ......................... 659
Cruise control
Cruise control ..................................... 294
Dynamic radar cruise control .....298
Cup holders ............................................ 497
Current fuel consumption.......... 134, 141
Curtain shield airbags ........................... 49
Customizable features .......................686
DAB (Digital Audio Broadcast) .......415
Daytime running light system ......... 265
Defogger
Outside rear view mirrors ............ 484
Rear window........................................ 484
Windshield ........................................... 484
Differential............................................... 678
Digital Audio Broadcast (DAB) .......415
Dimensions ............................................. 668
Display
Drive information........................ 134, 141
Dynamic radar cruise control ..... 298
LDA (Lane Departure Alert) ........ 315
Multi-information display........ 131, 139
Warning message ............................ 597
Distance ............................................ 134, 141
Do-it-yourself maintenance ...............516
Door courtesy lights
Location ................................................. 492
Door lock
Doors......................................................... 164
Smart entry & start system ............. 175
Wireless remote control .................158
D

709Alphabetical index
RC200t_RC F_EE(OM24728E)
Emergency, in case of
If a warning buzzer sounds ........... 591
If a warning light turns on................ 591
If a warning message is
displayed ............................................ 597
If the electronic key does not
operate properly ........................... 650
If the engine will not start .............. 648
If the vehicle battery is
discharged.........................................654
If you have a flat tire ............... 619, 633
If you think something
is wrong.............................................. 589
If your vehicle becomes stuck.....664
If your vehicle has to be
stopped in an emergency........... 581
If your vehicle needs to
be towed.............................................582
If your vehicle overheats ............... 659
Engine........................................................ 670
ACCESSORY mode ..................... 248
Compartment...................................... 522
Engine switch....................................... 247
Hood ......................................................... 518
How to start the engine .................. 247
Identification number .......................670
If the engine will not start .............. 648
Ignition switch (engine switch) ... 247
Overheating ........................................ 659
Engine coolant....................................... 527
Capacity................................................. 676
Checking ................................................527
Preparing and checking
before winter.................................... 384
Engine coolant temperature
gauge ....................................................... 124
Engine immobilizer system ................. 92
Engine oil ................................................. 524
Capacity................................................... 671
Checking ............................................... 524
Preparing and checking
before winter.................................... 384
Engine oil maintenance data ........... 526
Engine oil temperature gauge ..........124
Engine switch ..........................................247
EPS (Electric Power Steering) ....... 349
Warning light....................................... 592
Expert mode ........................................... 352

715Alphabetical index
RC200t_RC F_EE(OM24728E)
Navigation system*
Odometer......................................... 118, 124
Oil
Differential oil .......................................678
Engine oil .................................................671
Opener
Hood ......................................................... 518
Trunk ..........................................................170
Outer foot lights .................................... 492
Outside rear view mirrors ................ 224
Adjusting and folding....................... 224
BSM (Blind Sport Monitor)..........364
Linked mirror function
when reversing................................ 225
Mirror position memory...................214
Outside rear view mirror
defoggers ..........................................484
Outside temperature ...................118, 124
Overheating ...........................................659
Paddle shift switches ................255, 256
Parking assist sensors......................... 320
Parking brake...........................................261
PCS
(Pre-Crash Safety system)............ 356
PCS OFF switch................................ 357
Warning light....................................... 592
Personal lights........................................ 494
Pollen removal mode.......................... 484
Pop-up display.............................. 136, 148
Pop Up Hood............................................ 62
Power outlet ............................................ 501
Power steering (Electric power
steering system)................................. 349
Warning light....................................... 592
Power windows ......................................227
Door lock linked window
operation.............................................229
Jam protection function ................. 228
Operation .............................................. 227
Window lock switch ......................... 227
Pre-Crash Safety system (PCS) .... 356
PCS OFF switch................................ 357
Warning light....................................... 592
N
O
P
*: For vehicles with a navigation or multimedia system, refer to the
“NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.