Page 547 of 612

5478-2. Steps to take in an emergency
8
When trouble arises
IS200t_EE(OM53D19E)
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. 1 9 6 )
●There may be a malfunction in the engine immobilizer system.
(→ P. 77)
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. 5 5 3 )
The engine starting system may be malfunctioning due to an electrical problem
such as electronic key battery depletion or a blown fuse. However, an interim
measure is available to start the engine. ( →P. 5 4 8 )
If the engine will not start
If the engine will not start even though correct starting procedures are being
followed ( →P. 196), consider each of the following points:
The engine will not start even thou gh the starter motor operates nor-
mally.
The starter motor turns over slowly , the interior lights and headlights
are dim, or the horn does not so und or sounds at a low volume.
The starter motor does not turn over
Page 548 of 612

5488-2. Steps to take in an emergency
IS200t_EE(OM53D19E)
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. 5 5 3 )
●There may be a malfunction in the steering lock system.
Contact any authorized Lexus dealer or repairer, or another duly qualified and
equipped professional if the problem cannot be repaired, or if repair procedures are
unknown.
When the engine does not start, the following 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 inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
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
Page 573 of 612
573
9
9-1. Specifications
Vehicle specifications
IS200t_EE(OM53D19E)
■When towing a trailer (vehicles with a towing package)
Add 20.0 kPa (0.2 kgf/cm2 or bar, 3 psi) to the recommended tire inflation pressure and
drive at speeds below 100 km/h (62 mph).
Light bulbs*1
Light bulbsWTy p e
Exterior
Discharge headlights*235A
Front turn signal lights21B
Rear turn signal lights21B
Back-up lights16C
Outer foot lights5C
Interior
Door courtesy lights5C
Vanity lights8C
Interior light8C
Personal lights8C
Footwell lights3.8C
Trunk light5C
A: D4S discharge bulbs
B: Wedge base bulbs (amber)
C: Wedge base bulbs (clear)
*1: Light bulbs not listed in this table are LED bulbs.
*2: If equipped
Page 584 of 612
5849-2. Customization
IS200t_EE(OM53D19E)
■Illumination ( →P. 4 1 1 )
FunctionDefault settingCustomized setting
Time elapsed before the interior
lights turn off15 seconds
Off
O—O7. 5 s e c o n d s
30 seconds
Operation after the engine
switch is turned offOnOff——O
Operation when the doors are
unlockedOnOff——O
Operation when you approach
the vehicle with the electronic
key on your person
OnOff——O
Inside door handle lightsOnOff——O
Time elapsed before the outer
foot lights turn off15 seconds
Off
O—O7. 5 s e c o n d s
30 seconds
Operation of the outer foot lights
when you approach the vehicle
with the electronic key on your
person
OnOff——O
Operation of the outer foot lights
when the doors are unlocked
with the power door lock switchOnOff——O
123
Page 599 of 612

599Alphabetical index
IS200t_EE(OM53D19E)
IdentificationEngine..................................................... 565
Vehicle ................................................... 565
Ignition switch (engine switch) ......... 196
Illuminated entry system ..................... 412
Indicators..................................................... 92
Initialization Engine oil maintenance data ....... 444
Moon roof ...............................................175
Multi-information display ................ 104
Power windows....................................170
Tire pressure warning system ..................................................453
Inside door handle lights ....................... 411
Inside rear view mirror ........................ 163
Instrument panel light control ............98
Intercooler ............................................... 446
Intercooler coolant .............................. 445 Capacity ................................................ 569
Checking ...............................................445
Preparing and checking
before winter ................................... 309
Interior lights ............................................ 412
Wattage.................................................. 573
Intrusion sensor and tilt sensor ..........86
ISOFIX rigid anchors............................. 67
Jack
Positioning the jack...........................440
Vehicle-equipped jack .......523, 534
Jack handle .................................. 523, 534
Jam protection function Moon roof ............................................... 174
Power window ......................................170 Keyless entry
Smart entry & start system.......................................... 122, 129
Wireless remote control ....... 122, 129
Keys............................................................... 116
Battery-Saving Function .................. 135
Electronic key..........................................116
Engine switch ........................................ 196
If the electronic key does not operate properly ............................550
Key number plate..................................116
Keyless entry................................ 122, 129
Mechanical key ...................................... 117
Replacing the battery ...................... 466
Warning buzzer................................... 123
Wireless remote control ...................116
Knee airbags ............................................... 41
I
J
K
Page 600 of 612

600Alphabetical index
IS200t_EE(OM53D19E)
Lane Departure Alert (LDA)...........260
Language (multi-information display) ............. 104
LDA (Lane Departure Alert)...........260
Lever Auxiliary catch lever ......................... 439
Hood lock release lever.................439
Shift lever................................................. 201
Tilt and telescopic steering lock release lever .............................. 161
Turn signal lever ................................. 207
Wiper lever.............................................219
Lexus Display Audio controller ....... 316
Lexus Display Audio system ............. 314
Lexus parking assist-sensor ............. 266
License plate lights ................................ 210 Light switch ............................................ 210
Replacing light bulbs....................... 485
Light bulbs
Replacing ............................................... 475
Wattage.................................................. 573 Lights
Automatic High Beam
system.................................................... 213
Fog light switch..................................... 217
Follow me home system.................... 211
Headlight switch .................................. 210
Illuminated entry system .................. 412
Interior lights .......................................... 412
Interior lights list ..................................... 411
Personal lights....................................... 412
Replacing light bulbs ....................... 475
Trunk light .................................................131
Turn signal lever................................. 207
Vanity lights............................................ 421
Wattage ................................................. 573
Lock steering column .......................... 198
Low profile tire ...................................... 454
Luggage security system ................... 130
Luggage under tray ............................. 420
L