coolant temperature Lexus IS350 2017 / LEXUS 2017 IS200T,IS300,IS350 (OM53D76U) User Guide

5698-2. Steps to take in an emergency
8
When trouble arises
IS350/300/200t_U (OM53D76U)
WARNING
■When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
●If steam is seen coming from under the h ood, do not open the hood until the steam
has subsided. The engine compartment may be very hot.
●Keep hands and clothing (especially a tie, a scarf or a muffler) away from the fans and
belts. Failure to do so may cause the hands or clothing to be caught, resulting in seri-
ous injury.
NOTICE
■When adding engine coolant
Add coolant slowly after the engine has cool ed down sufficiently. Adding cool coolant
to a hot engine too quickly can cause damage to the engine.
■To prevent damage to the cooling system
Observe the following precautions:
●Avoid contaminating the coolant with foreig n matter (such as sand or dust etc.).
●Do not use any coolant additive.
●IS350/IS300: Do not loosen the coolant res-
ervoir caps or radiator cap while the engine
and radiator are hot. (The radiator cap is
located under the engine cover.)
High temperature steam or coolant could
spray out.
●IS200t: Do not loosen the coolant reservoir
cap or intercooler reservoir cap while the
engine and radiator are hot.
High temperature steam or coolant could
spray out.

635Alphabetical index
IS350/300/200t_U (OM53D76U)
E-mail......................................................... 367
Eco drive mode ..................................... 285
Eco Driving Indicator..............................97
EDR (Event data recorder) ...................10
Elapsed time ............................................ 100
Electric Power Steering (EPS) ....... 290Warning light ........................................ 517
Electronic key ......................................... 106 Battery-saving function .....................123
If the electronic key does not operate properly............................ 559
Replacing the battery .......................493
Emergency, in case of If a warning message is displayed ........................................ 522
If the electronic key does not operate properly ....... 559
If the engine will not start................557
If the vehicle battery is discharged .........................................562
If the warning buzzer sounds................................................... 516
If the warning light turns on............ 516
If you have a flat tire ......................... 546
If you think something is wrong................................................ 514
If your vehicle becomes stuck ..................................................... 570
If your vehicle has to be stopped in an emergency ......... 507
If your vehicle needs to be towed ...................................... 508
If your vehicle overheats ............... 566 Emergency flashers ............................ 506
Engine ........................................................576
ACCESSORY mode ....................... 173
Compartment ..................................... 464
Engine switch ........................................ 172
Hood........................................................ 462
How to start the engine.................... 172
Identification number....................... 576
If the engine will not start ............... 557
Ignition switch (engine switch) ..... 172
Overheating.........................................566
Engine coolant .......................................469 Capacity.................................................. 581
Checking ............................................... 469
Preparing and checking before winter .................................... 294
Engine coolant temperature gauge ......................................................... 79
Engine immobilizer system ................. 68
Engine oil ..................................................466 Capacity................................................. 577
Checking ............................................... 466
Preparing and checking before winter .................................... 294
Engine oil maintenance data ........... 468
Engine switch ........................................... 172
Enhanced VSC ..................................... 289
EPS (Electronic Power Steering) ........ 290 Warning light ......................................... 517
Event data recorder (EDR)................... 10
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