2016 Lexus IS300 check engine light

4888-2. Steps to take in an emergency
IS350/300/200t_U (OM53D18U)
(If equipped)
Indicates that the windows and the moon roof are not
fully closed (with the engine switch off, and the driver’s
door open)A buzzer also sounds.
 Close all the windows and the moon roof.
Indicates a malfunction in the brake override system
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates that engine oil level is low
A buzzer also sounds.
 Check the level of engine oil, and add if necessary.
Indicates a malfunction in:
• The automatic headlig ht leveling system; or
• The Automatic High Beam system (if equipped)
• The LED headlight system (if equipped)
A buzzer also sounds.
 Have the vehicle inspected by your Lexus dealer.
Indicates that the accelerator and brake pedal are being
depressed simultaneously
Release the accelerator or brake pedal.
Indicates that the tire in flation pressure is low
 Check the tire inflation pressure, and adjust to the
appropriate level.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)
(Flashes)

4908-2. Steps to take in an emergency
IS350/300/200t_U (OM53D18U)
(If equipped)
Indicates that the engine oil should be changed. (After
the engine oil is changed and the message has been
reset.)
Check and change the engine oil, and oil filter by
your Lexus dealer. After changing the engine oil, the
message should be reset. ( P. 4 1 3 )
(U.S.A. only)
Indicates that all maintenance according to the driven
distance on the maintenance schedule
* should be per-
formed soon.
 Comes on approximately 4500 miles (7200 km)
after the message has been reset.
If necessary, perform maintenance. Please reset
the message after the maintenance is performed.
( P. 4 1 3 )
(U.S.A. only)
Indicates that all maintenance is required to correspond
to the driven distance on the maintenance schedule*.
 Comes on approximately 5000 miles (8000 km)
after the message has been reset. (The indicator will
not work properly unless the message has been
reset.)
Perform the necessary maintenance. Please reset
the message after the maintenance is performed.
( P. 4 1 3 )
(If equipped)
Indicates that the Automatic High Beam switch is
pressed while the headlights are in low beam.
 Turn the high beam on and press the Automatic
High Beam switch again.
(If equipped)
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-collision brake system
operation is stopped
 Turn the VSC on. ( P. 2 5 1 )
(If equipped)
Indicates that the PCS (Pre-Collision System) is not cur-
rently functional because the grille cover or the sensor is
dirty
 Check the grille cover and the sensor and clean
them if they are dirty.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)

5319-1. Specifications
9
Vehicle specifications
IS350/300/200t_U (OM53D18U)
■Spark plug
Cooling system
Capacity
IS350/IS300 10.1 qt. (9.6 L, 8.4 Imp. qt.)
IS200t
Engine
8.2 qt. (7.8 L, 6.9 Imp. qt.)
Intercooler
3.2 qt. (3.0 L, 2.6 Imp. qt.)
Coolant type
Use either of the following: • “Toyota Super Long Life Coolant”
• Similar high-quality ethy lene glycol-based non-
silicate, non-amine, non-nitrite, and non-borate
coolant with long-life hybrid organic acid tech-
nology
Do not use plain water alone.
Ignition system
IS350/IS300IS200t
Make DENSO FK20HBR11 NGK DILFR7K9G
Gap0.043 in. (1.1 mm)0.035 in. (0.9 mm)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system
Battery
Open voltage at 68F
(20 C):12.6  12.8 V Fully charged
12.2  12.4 V Half charged
11.8
 12.0 V Discharged
(Check the voltage 20 minutes after the engine and all
lights are turned off.)
Charging rates5 A max.

578What to do if... (Troubleshooting)
IS350/300/200t_U (OM53D18U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? ( P. 4 7 7 )
●The parking brake indicator is on
Is the parking brake released? ( P. 1 7 7 )
Depending on the situation, other type s of warning buzzer may also sound.
( P. 4 76 , 4 8 2 )
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 7 1 )
Do one of the following to de activate or stop the alarms:
• Unlock the doors or open the trunk.
• Turn the engine switch to ACCESSORY or IGNITION ON mode, or start
the engine.
●Is the electronic key left inside the vehicle or the moon roof opened?
Check the message on the multi-information display. ( P. 4 8 2 )
●When a warning light turns on or a warning message is displayed, refer to
P. 4 76 , 4 8 2 . A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed

586Alphabetical index
IS350/300/200t_U (OM53D18U)
Emergency flashers ............................. 466
Engine ....................................................... 526ACCESSORY mode....................... 165
Compartment ...................................... 423
Engine switch ........................................ 164
Hood ..........................................................421
How to start the engine ................... 164
Identification number .......................526
If the engine will not start............... 506
Ignition switch (engine switch)..... 164
Overheating .......................................... 516
Engine coolant....................................... 428 Capacity .................................................. 531
Checking................................................428
Preparing and checking before winter ....................................270
Engine coolant temperature gauge ..........................................................81
Engine immobilizer system ................. 69
Engine oil ................................................. 425 Capacity ................................................. 527
Checking................................................425
Preparing and checking before winter ....................................270
Engine oil maintenance data ............427
Engine switch ...........................................164
Enhanced VSC ..................................... 249
EPS (Electronic Power Steering) ........ 250Function ................................................. 250
Warning light ....................................... 477
Event data recorder (EDR) ...................10 First-aid kit storage belt..................... 385
Flat tire .......................................................496
Floor mats....................................................26
Fluid
Automatic transmission .................. 532
Brake........................................................ 533
Washer ................................................... 433
Fog lights....................................................186 Replacing light bulbs ....................... 463
Switch ....................................................... 186
Wattage .................................................536
Footwell light .......................................... 378 Wattage .................................................536
Front passenger occupant classification system ............................ 47
Front personal lights ............................379 Wattage .................................................536
Front seats ................................................. 123 Adjustment.............................................. 123
Cleaning.................................................409
Correct driving posture .................... 28
Driving position memory................. 126
Head restraints .......................................131
Power easy access system ............. 126
Seat heaters ...........................................377
Seat position memory ....................... 126
Seat ventilators.....................................377F

588Alphabetical index
IS350/300/200t_U (OM53D18U)
I/M test ...................................................... 418
IdentificationEngine ......................................................526
Vehicle ................................................... 525
Ignition switch (engine switch)..........164
Illuminated entry system .................... 379
Immobilizer system ................................. 69
Indicators .................................................... 78
Initialization Engine oil maintenance data........ 427
Maintenance.......................................... 413
Moon roof .............................................. 146
Multi-information display ..................89
Power windows ....................................142
Tire pressure warning system................................435
Initiators (tire pressure warning system)...................................441
Inside door handle lights ................... 378
Inside rear view mirror .........................136
Instrument panel light control ............ 84
Intercooler............................................... 429
Intercooler coolant .............................. 428 Capacity .................................................. 531
Checking................................................428
Preparing and checking before winter ....................................270
Interior lights........................................... 379 Wattage ................................................. 536
Intuitive parking assist......................... 223 Jack
Positioning a floor jack.................... 422
Vehicle-equipped jack ................... 497
Jack handle ................................................. 497
Jam protection function Moon roof ...............................................145
Power windows.................................... 142
Keyless entry Smart access system with push-button start............ 105, 111
Wireless remote control.......... 105, 111
Keys ............................................................ 100 Battery-saving function ......................117
Electronic key ....................................... 100
Engine switch ........................................164
If the electronic key does not operate properly ....... 509
Key number plate ............................... 100
Keyless entry ......................................... 100
Mechanical key...................................... 101
Replacing the battery ......................450
Warning buzzer.................................. 106
Wireless remote control................. 100
Knee airbags ..............................................36
IJ
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596Alphabetical index
IS350/300/200t_U (OM53D18U)
Tachometer .................................................81
Tail lights.....................................................178Light switch ............................................ 178
Replacing light bulbs ........................463
Talk switch
*............................................ 340
Telephone switches
*.......................... 340
Theft deterrent system Alarm............................................................. 71
Engine immobilizer system ..............69
Luggage security system .................. 112
Theft prevention labels ....................... 73
Tire inflation pressure ......................... 443 Maintenance data ..............................534
Tire inflation pressure display function ................................................435
Warning light .......................................478
Tire information ..................................... 540 Glossary .................................................547
Size ............................................................543
Tire identification number..............542
Uniform Tire Quality Grading.............................................. 545 Tire pressure warning system ......... 435
Function .................................................. 435
Initializing ............................................... 435
Installing tire pressure warning valves and transmitters................ 435
Registering ID codes ....................... 437
Tire pressure warning reset switch ................................................... 436
Warning light ....................................... 478
Tires ............................................................434 Chains ....................................................... 271
Checking ............................................... 434
If you have a flat tire .......................... 496
Inflation pressure................................ 534
Information............................................540
Replacing ............................................... 496
Rotating tires ........................................ 434
Size ........................................................... 534
Snow tires ...............................................272
Spare tire................................................ 496
Tire inflation pressure display function................................................ 435
Tire pressure warning system ..... 435
Warning light ....................................... 478
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