Page 422 of 529
402
4-3. Do-it-yourself maintenance
IS F_EELeft side instrument panel
FuseAmpereCircuit
1FR P/SEAT LH30 APower seat
2A/C7.5 AAir conditioning system
3MIR HTR15 AOutside rear view mirror defoggers
4TV NO. 110 ADisplay
5FUEL OPEN10 AFuel filler door opener
6TV NO. 27.5 ALexus parking assist monitor
7PSB30 APre-crash seat belt
8S/ROOF25 AMoon roof
9TA I L10 ATail lights, license plate lights
10PANEL7.5 A
Switch illumination, air condition-
ing system, display, cigarette
lighter illumination, shift lever
light, instrument panel lights
11RR FOG7.5 ARear fog lights
12ECU-IG LH10 A
Cruise control, air conditioning
system, electric power steering,
shift lock system, moon roof,
Lexus parking assist monitor
13FR S/HTR LH15 ASeat heaters
Page 424 of 529
404
4-3. Do-it-yourself maintenance
IS F_EERight side instrument panel
FuseAmpereCircuit
1FR P/SEAT RH30 APower seat
2DOOR DL15 APower door lock system
3OBD7.5 AOn-board diagnosis system
4STOP SW7.5 A
Stop lights, VDIM, shift lock sys-
tem,
multiport fuel injection system/
sequential multiport fuel injection
system,
smart entry & start system
5TI & TE20 AElectric tilt and telescopic steering
column
6RAD NO. 310 AAudio system
7GAUGE7.5 AMeters and gauges
8IGN10 ASRS airbag system, stop lights,
steering lock system, fuel system
9ACC7.5 A
Clock, air conditioning system,
audio system, navigation system,
display, outside rear view mirrors,
smart entry & start system, Lexus
parking assist monitor, glove box
light, console box light
10CIG15 ACigarette lighter
11PWR OUTLET15 APower outlet
12RR DOOR RH20 APower windows
Page 438 of 529
5When trouble arises
415
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5-1. Essential information
Emergency flashers .......... 416
If your vehicle needs to be
towed.............................. 417
If you think something is
wrong ............................. 423
Fuel pump shut off
system ............................ 4245-2. Steps to take in an
emergency
If a warning light turns
on or a warning buzzer
sounds... ........................ 425
If a warning message is
displayed ........................ 431
If you have a flat tire........ 444
If the engine will not start 454
If the shift lever cannot be
shifted from P ................ 456
If you lose your keys ....... 457
If the electronic key does
not operate properly....... 458
If the vehicle battery is
discharged ...................... 462
If your vehicle overheats . 465
If the vehicle becomes
stuck............................... 468
If your vehicle has to
be stopped in an
emergency...................... 469
Page 447 of 529
424
5-1. Essential information
IS F_EE
Fuel pump shut off system
NOTICE
Before starting the engine
Inspect the ground under the vehicle.
If you find that fuel has leaked on to the ground, the fuel system has been
damaged and is in need of repair. Do not restart the engine.
To minimize the risk of fuel leakage when the engine stalls or an air-
bag inflates upon collision, the fuel pump shut off system stops sup-
plying fuel to the engine.
Follow the procedure below to restart the engine after the system
is activated.
Turn the “ENGINE START STOP” switch to ACCES-
SORY mode or OFF.
Restart the engine.
STEP1
STEP2
Page 451 of 529

428
5-2. Steps to take in an emergency
IS F_EE
Follow the correction procedures.
After taking the specified steps to correct the suspected problem,
check that the warning light turns off.
Electric power steering system warning light
When the voltage is low or drops, the electric power steering system warn-
ing light may come on.
CAUTION
When the electric power steering system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold
firmly and operate using more force than usual.
Warning lightWarning light/DetailsCorrection procedure
Open door warning light
(warning buzzer)
*1
Indicates that a door or the
trunk is not fully closed.
Check that all doors and the
trunk are closed.
Low fuel level warning
light
Remaining fuel
(Approximately 11 L
[2.9 gal., 2.4 Imp. gal.] or
less)
Refuel the vehicle.
(On the
instrument
cluster)
Driver’s seat belt
reminder light
(warning buzzer)
*2
Warns the driver to fasten
his/her seat belt.
Fasten the seat belt.
Page 453 of 529
430
5-2. Steps to take in an emergency
IS F_EE
If the malfunction indicator lamp comes on while driving
The malfunction indicator lamp will come on if the fuel tank becomes com-
pletely empty. If the fuel tank is empty, refuel the vehicle immediately. The
malfunction indicator lamp will go off after several trips.
If the malfunction indicator lamp does not go off, contact any authorized
Lexus dealer or repairer, or another duly qualified and equipped profes-
sional as soon as possible.
Front passenger detection sensor and passenger seat belt reminder and
warning buzzer
If luggage is placed on the front passenger seat, the front passenger
detection sensor may cause the warning light to flash and the warning
buzzer to sound, even if a passenger is not sitting in the seat.
If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.
Page 477 of 529

454
5-2. Steps to take in an emergency
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If the engine will not start
If the engine will not start even though correct starting procedures are
being followed (P. 146), consider each of the following points.
The engine will not start even when the starter motor operates
normally.
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 once more following correct start-
ing procedures. (P. 146)
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.
One of the following may be the cause of the problem.
The battery may be discharged. (P. 462)
The battery terminal connections may be loose or corroded.
The starter motor does not turn over, the interior lights and
headlights do not turn on, or the horn does not sound.
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. 462)
There may be a malfunction in the engine immobilizer sys-
tem. (P. 92)
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 can-
not be repaired, or if repair procedures are unknown.
Page 494 of 529
6Vehicle specifications
471
IS F_EE
6-1. Specifications
Maintenance data
(fuel, oil level, etc.)........ 472
Fuel information .............. 482
6-2. Customization
Customizable features...... 484