2017 Lexus IS350 headlights

5027-3. Do-it-yourself maintenance
IS350/300/200t_U (OM53D76U)
■Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by your Lexus
dealer.
●Headlights
●Parking lights and daytime running lights
●Side marker lights
●Side turn signal lights
●Outer foot lights
●Stop/tail lights
●Tail lights
●Back-up light
●High mounted stoplight
●License plate lights
■LED Lights
The lights other than the front turn signal ligh ts (bulb type), rear turn signal lights and
outer foot lights each consist of a number of LEDs. If any of the LEDs burn out, take your
vehicle to your Lexus dealer to have the light replaced.
■Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not indicate a
malfunction. Contact your Lexus dealer for mo re information in the following situations:
●Large drops of water have built up on the inside of the lens.
●Water has built up inside the headlight.
■When replacing light bulbs
→P. 497

5388-2. Steps to take in an emergency
IS350/300/200t_U (OM53D76U)
(If equipped)
Indicates that the engine oil is scheduled to be changed.
(The indicator will not work properly unless the message
has been reset.)
→Check the engine oil, and change if necessary.
After changing the engine oil, the message should
be reset.
(If equipped)
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. 454)
(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 chan ging the engine oil, the
message should be reset. ( →P. 468)
(If equipped)
Indicates that all maintenanc e 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. 454)
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.
Warning messageDetails/Actions

5578-2. Steps to take in an emergency
8
When trouble arises
IS350/300/200t_U (OM53D76U)
One of the following may be the cause of the problem:
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
●The engine may be flooded.
Try to restart the engine again following correct starting procedures.
(→ P. 172)
●There may be a malfunction in th e engine immobilizer system. (→P. 68)
One of the following may be the cause of the problem:
●The battery terminal connections may be loose or corroded.
●The battery may be discharged. ( →P. 562)
The engine starting system may be malfun ctioning due to an electrical problem
such as electronic key battery depletio n or a blown fuse. However, an interim
measure is available to start the engine. ( →P. 558)
If the engine will not start
If the engine will not start even though correct starting procedures are being
followed ( →P. 172), consider each of the following points:
The engine will not start even thoug h the starter motor operates nor-
mally.
The starter motor turns over slowly , the interior lights and headlights
are dim, or the horn does not sound or sounds at a low volume.
The starter motor does not turn over

5588-2. Steps to take in an emergency
IS350/300/200t_U (OM53D76U)
One of the following may be the cause of the problem:
●One or both of the battery terminals may be disconnected.
●The battery may be discharged. (→P. 562)
●There may be a malfunction in the steering lock system.
Contact your Lexus dealer if the problem cannot be repaired, or if repair procedures
are unknown.
When the engine does not start, the follo wing steps can be used as an interim
measure to start the engine if the engine switch is functioning normally:
Set the parking brake.
Shift the shift lever to P.
Turn the engine switch to ACCESSORY mode.
Press and hold the engine switch for about 15 seconds while depressing the
brake pedal firmly.
Even if the engine can be started using the above steps, the system may be mal-
functioning. Have the vehicle in spected by your Lexus dealer.
The starter motor does not turn over, the interior lights and headlights
do not turn on, or the horn does not sound.
Emergency start function
1
2
3
4

5648-2. Steps to take in an emergency
IS350/300/200t_U (OM53D76U)
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical components when the vehicle is running at a low
speed for an extended period, such as in heavy traffic.
■Charging the battery
The electricity stored in the battery will disc harge gradually even when the vehicle is not
in use, due to natural discharge and the draini ng effects of certain electrical appliances. If
the vehicle is left for a long time, the battery may discharge, and the engine may be
unable to start. (The battery recharges automatically during driving.)
■When recharging or replacing the battery
●In some cases, it may not be possible to un lock the doors using the smart access system
with push-button start when the battery is discharged. Use the wireless remote control
or the mechanical key to lock or unlock the doors.
●The engine may not start on the first attempt after the battery has recharged but will
start normally after the second attempt. This is not a malfunction.
●The engine switch mode is memorized by the vehicle. When the battery is recon-
nected, the system will return to the mode it was in before the battery was discharged.
Before disconnecting the battery, turn the engine switch off.
If you are unsure what mode the engine switch was in before the battery discharged, be
especially careful when reconnecting the battery.

6079-2. Customization
9
Vehicle specifications
IS350/300/200t_U (OM53D76U)
■Turn signal lever (→P. 184)
*1: After flashing the turn signal lights when turn ing left or right while this function is off
and the turn signal lever is moved to the first position in the direction of the flashing
light, the turn signal lights can be selected to be flashing or off.
*2: The turn signal lights keep flashing if the tu rn signal lever is moved to the first position
in the direction of flashing light.
*3: The turn signal lights will be off if the turn signal lever is moved to the first position in
the direction of flashing light.
■Automatic light control system ( →P. 188)
■Lights ( →P. 188)
*: U.S.A. only
FunctionDefault settingCustomized setting
The number of times the turn sig-
nal lights flash automatically
when the turn signal lever is
moved to the first position during
a lane change
*1
3
5
—O7
Off*2
Off*3
12
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2OO
Time elapsed before headlights
automatically turn off after doors
are closed
30 seconds
Off
OO60 seconds
90 seconds
12
FunctionDefault settingCustomized setting
Daytime runnin g light system*OnOffOO
12

637Alphabetical index
IS350/300/200t_U (OM53D76U)
Hands-free system (for cellular phone) ........................... 359
HD Radio
® system .............................. 326
Head restraints ........................................139
Headlights ................................................ 188 AFS (Adaptive Front-lighting System) ................................................. 189
Light switch ............................................188
Replacing light bulbs ....................... 502
Headlights cleaner.................................196
Heaters Air conditioning system ................... 401
Heated steering wheel ..................... 410
Outside rear view mirrors ............ 406
Seat heaters ............................................. 411
Hill-start assist control ........................ 289
Hood .......................................................... 462 Open ........................................................462
Hooks Cargo hooks ......................................... 419
Coat hooks ...........................................425
Retaining hooks (floor mat) ............. 26
Horn .............................................................143 I/M test ..................................................... 459
Identification
Engine ..................................................... 576
Vehicle .................................................... 575
Ignition switch (engine switch) ......... 172
Illuminated entry system ..................... 413
Immobilizer system ................................ 68
Indicators ..................................................... 76
Initialization Engine oil maintenance data .......468
Maintenance ........................................ 454
Moon roof .............................................. 155
Multi-information display.................. 92
Power windows................................... 150
Tire pressure warning system ............................... 478
Initiators (tire pressure warning system) ................................ 484
Inside door handle lights ..................... 412
Inside rear view mirror......................... 144
Instrument panel light control ............ 82
Intercooler ................................................ 471
Intercooler coolant...............................469 Capacity.................................................. 581
Checking ............................................... 469
Preparing and checking before winter .................................... 294
Interior lights ............................................ 413 Wattage ................................................ 586
Intuitive parking assist ........................ 248
HI