fuel Lexus IS250 2014 Owner's Manual

TABLE OF CONTENTS2
IS250_EE(OM53C51E)
For your information ...................................8
Reading this manual .................................. 10
How to search................................................ 11
Pictorial index .............................................. 12
1-1. For safe use
Before driving ................................. 32
For safety drive ...............................34
Seat belts .......................................... 36
SRS airbags ...................................... 41
Airbag manual on-off
system ............................................. 52
Pop Up Hood..................................54
Safety information for
children........................................... 57
Child restraint systems............... 58
Installing child restraints ............. 67
Exhaust gas precautions .............76
1-2. Theft deterrent system
Engine immobilizer system ....... 77
Double locking system................82
Alarm .................................................832. Instrument cluster
Warning lights and
indicators .......................................90
Gauges and meters ..................... 95
Multi-information display.........100
Fuel consumption
information.................................. 106
3-1. Key information
Keys.....................................................112
3-2. Opening, closing and
locking the doors and trunk
Doors ................................................ 118
Trunk ................................................. 125
Smart entry & start system ...... 130
3-3. Adjusting the seats
Front seats .......................................147
Rear seats ....................................... 149
Driving position memory ...........151
Head restraints............................. 156
1For safety and security
2Instrument cluster
3Operation of
each component

3
1
9 8
7
6 4 3
2
IS250_EE(OM53C51E)
5
3-4. Adjusting the steering
wheel and mirrors
Steering wheel ............................. 159
Inside rear view mirror ................ 161
Outside rear view mirrors ....... 163
3-5. Opening, closing the
windows and moon roof
Power windows .............................167
Moon roof ...................................... 170
4-1. Before driving
Driving the vehicle ....................... 176
Cargo and luggage .................... 183
Trailer towing................................. 184
4-2. Driving procedures
Engine (ignition) switch ............ 192
Automatic transmission .............197
Turn signal lever ..........................203
Parking brake.............................. 205
4-3. Operating the lights and
wipers
Headlight switch .........................206
Automatic High Beam .............209
Fog light switch............................. 213
Windshield wipers and
washer........................................... 2154-4. Refueling
Opening the fuel tank cap....... 221
4-5. Using the driving support
systems
Cruise control ............................. 225
Dynamic radar cruise
control.......................................... 229
LDA
(Lane Departure Alert) ..........241
Lexus parking
assist-sensor ...............................247
Rear view monitor system ...... 254
Driving mode select
switch ........................................... 263
Driving assist systems ............... 265
PCS (Pre-Crash Safety
system)...........................................271
BSM (Blind Spot Monitor) ..... 278
•The Blind Spot Monitor
function.....................................283
• The Rear Crossing Traffic
Alert function .........................285
4-6. Driving tips
Winter driving tips .................... 288
4Driving

TABLE OF CONTENTS6
IS250_EE(OM53C51E)
7-1. Maintenance and care
Cleaning and protecting
the vehicle exterior .................404
Cleaning and protecting
the vehicle interior ................. 408
7-2. Maintenance
Maintenance
requirements................................ 411
7-3. Do-it-yourself maintenance
Do-it-yourself service
precautions ................................. 413
Hood ................................................ 415
Positioning a floor jack .............. 416
Engine compartment..................417
Tires .................................................. 427
Tire inflation pressure................436
Wheels........................................... 438
Air conditioning filter................440
Electronic key battery .............. 442
Checking and replacing
fuses .............................................. 445
Light bulbs ..................................... 4498-1. Essential information
Emergency flashers................... 466
If your vehicle has to
be stopped in an
emergency ................................. 467
8-2. Steps to take in an
emergency
If your vehicle needs to
be towed .....................................468
If you think something is
wrong ............................................ 474
Fuel pump shut off system ...... 475
If a warning light turns
on or a warning buzzer
sounds...........................................476
If a warning message is
displayed.....................................482
If you have a flat tire (vehicles
with a spare tire) ...................... 496
If you have a flat tire
(vehicles without a
spare tire) ................................... 507
If the engine will not start ......... 521
If the shift lever cannot
be shifted from P ..................... 523
If the electronic key does
not operate properly ............. 524
If the vehicle battery is
discharged ................................. 527
If your vehicle overheats .......... 531
If the vehicle becomes
stuck.................................................534
7Maintenance and care8When trouble arises

7
1
9 8
7
6 4 3
2
IS250_EE(OM53C51E)
5
9-1. Specifications
Maintenance data
(fuel, oil level, etc.).................. 538
Fuel information ..........................549
9-2. Customization
Customizable features.............. 551
9-3. Initialization
Items to initialize .......................... 561
What to do if...
(Troubleshooting) ................................564
Alphabetical index ................................ 568
9Vehicle specifications
Index
For vehicles with a navigation or multimedia system, refer to “NAVIGATION
AND MULTIMEDIA SYSTEM OWNER’S MANUAL” for information
regarding the equipment listed below.
• Navigation system
• Audio/video system• Lexus parking assist-sensor
• Lexus parking assist monitor

8
IS250_EE(OM53C51E)Please note that this manual applies to all models and explains all equipment, including
options. Therefore, you may find some explanations for equipment not installed on your
vehicle.
All specifications provided in this manual are current at the time of printing. However,
because of the Lexus policy of continual product improvement, we reserve the right to
make changes at any time without notice.
Depending on specifications, the vehicle shown in the illustrations may differ from your
vehicle in terms of color and equipment.
Both genuine Lexus and a wide variety of other spare parts and accessories for Lexus
vehicles are currently available on the market. Should it be determined that any of the
genuine Lexus parts or accessories supplied with the vehicle need to be replaced, Lexus
recommends that genuine Lexus parts or accessories, be used to replace them. Other
parts or accessories of matching quality can also be used. Lexus cannot accept any liabil-
ity or guarantee spare parts and accessories which are not genuine Lexus products, nor
for replacement or installation involving such parts. In addition, damage or performance
problems resulting from the use of non-genuine Lexus spare parts or accessories may
not be covered under warranty.
The installation of an RF-transmitter system in your vehicle could affect electronic sys-
tems such as:
●Multiport fuel injection system/sequential multiport fuel injection system
●Dynamic radar cruise control system
●Cruise control system
●Anti-lock brake system
●Vehicle dynamics integrated management
●SRS airbag system
●Seat belt pretensioner system
Be sure to check with any authorized Lexus dealer or repairer, or another duly qualified
and equipped professional for precautionary measures or special instructions regarding
installation of an RF-transmitter system.
Further information regarding frequency bands, power levels, antenna positions and
installation provisions for the installation of RF-transmitters, is available on request at any
authorized Lexus dealer or repairer, or another duly qualified and equipped professional.
For your information
Main Owner’s Manual
Accessories, spare parts and modification of your Lexus
Installation of an RF-transmitter system

13Pictorial index
IS250_EE(OM53C51E)
Windshield wipers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 215
Precautions against winter season . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 288
To prevent freezing (windshield wiper de-icer)
*1. . . . . . . . . . . . . . . . . . . . . . . .P. 383
Precautions against car wash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 406
Fuel filler door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 221
Refueling method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 2 2 1
Fuel type/fuel tank capacity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 540
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 427
Tire size/inflation pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 546
Winter tires/tire chain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 288
Checking/rotation/tire pressure warning system
*1 . . . . . . . . . . . . . . . . . . . . . P. 427
Coping with flat tires. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 496, 507
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 415
Opening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 415
Engine oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 541
Coping with overheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 531
Warning messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 484
Headlights/front position lights/daytime running lights . . . . . . . . . . . . P. 206
Front fog lights
*1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 213
Turn signal lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 203
Tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 206
Stop lights
Emergency brake signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 266
License plate lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 206
Rear fog light
*3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 213
Back up light
*2
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 197
Rear fog light*2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .P. 213
Back up light
*3
Shifting the shift lever to R . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P. 197
4
5
6
7
Light bulbs of the exterior lights for driving
(Replacing method: P. 449, Watts: P. 548)
*1: If equipped
*2: Left-hand drive vehicles
*3: Right-hand drive vehicles
8
9
10
11
12
13
14
15

89
2Instrument cluster
IS250_EE(OM53C51E)
2. Instrument cluster
Warning lights and
indicators....................................... 90
Gauges and meters ..................... 95
Multi-information display ........ 100
Fuel consumption
information ................................. 106

912. Instrument cluster
2
Instrument cluster
IS250_EE(OM53C51E)
Warning lights inform the driver of malfunctions in the indicated vehicle systems.
*1: These lights turn on when the engine switch is turned to IGNITION ON mode to
indicate that a system check is being performed. They will turn off after the engine is
on, or after a few seconds. There may be a malfunction in a system if the lights do not
come on, or turn off. Have the vehicle inspected by any authorized Lexus dealer or
repairer, or another duly qualified and equipped professional.
*2: The light flashes to indicate a malfunction.
*3: This light illuminates on the center panel.
Wa r n i n g l i g h t s
*1Brake system warning light
(→P. 4 76 )*1 Automatic headlight level-
ing system warning light
(→P. 477)
*1Charging system warning
light (→P. 4 76 )Open door warning light
(→P. 4 7 8 )
*1Malfunction indicator
lamp (→P. 4 76 )Low fuel level warning light
(→P. 4 7 8 )
*1SRS warning light
(→P. 4 76 )Driver’s and front passen-
ger’s seat belt reminder light
(→P. 4 7 8 )
*1ABS warning light
(→P. 477)*3Rear passengers’ seat belt
reminder lights (→P. 4 7 8 )
*1Electric power steering sys-
tem warning light
(→P. 477)*1Master warning light
(→P. 4 7 8 )
*1, 2
(if equipped)
Pre-crash safety system
warning light (→P. 477)
*1
(if equipped)
Tire pressure warning light
(→P. 4 7 8 )
*1Slip indicator
(→P. 477)

962. Instrument cluster
IS250_EE(OM53C51E)
XF SPORT models (when the main meter is in the right-side position)
The units used on the meters may differ depending on the target region.
Engine coolant temperature gauge
Displays the engine coolant temperature
Tachometer
Displays the engine speed in revolutions per minute
Outside temperature
Displays the outside temperature within the range of -40°C (-40°F) to 50°C
(122°F). Low outside temperature indicator comes on when the ambient temperature
is 3°C (37°F) or lower.
Shift position and gear position (→P. 1 9 7 )
Speedometer
Fuel gauge
Multi-information display
Presents the driver with a variety of vehicle data (→P. 1 0 0 )
Displays warning messages in case of a malfunction (→P. 4 8 2 )
Odometer and trip meter display
Odometer:
Displays the total distance the vehicle has been driven
Tr i p m e t e r :
Displays the distance the vehicle has been driven since the meter was last reset. Trip
meters “A” and “B” can be used to record and display different distances indepen-
dently.
1
2
3
4
5
6
7
8

1012. Instrument cluster
2
Instrument cluster
IS250_EE(OM53C51E)
◆Operating the meter control switches
The multi-information display is
operated using the meter control
switches.
Select an item/change pages
Enter/Set
XExcept F SPORT models
Press: Displays the screen regis-
tered to
When no screen has been registered, the drive information screen will be dis-
played.
Press and hold: Registers the currently displayed screen to
When the confirmation screen is displayed, select yes to register the screen. If the
selected screen cannot be registered, a registration failure message will be shown.
XF SPORT models
Move the main meter
Return to the previous screen
■Current fuel consumption*
Displays the current rate of fuel consumption
■Average fuel economy (after reset/after start/after refuel)*
Displays the average fuel economy since the function was reset, the engine
was started, and the vehicle was refueled, respectively
■Average vehicle speed (after reset/after start)*
Displays the average vehicle speed since the function was reset and the
engine was started, respectively
■Elapsed time (after reset/after start)*
Displays the elapsed time since the function was reset and the engine was
started, respectively
1
2
3
Drive information
3
4