2014 Lexus IS250 window

4637-3. Do-it-yourself maintenance
7
Maintenance and care
IS250_EE(OM53C51E)
NOTICE
■When replacing the outer foot lights
If the front window is stopping you from conducting the replace operation properly,
open the window on the side you are working on to allow you enough space to work.
Continuing the operation without giving yourself enough space to work could lead you
to scratch the vehicle.

4888-2. Steps to take in an emergency
IS250_EE(OM53C51E)
Indicates that the engine switch is turned off or turned to
ACCESSORY mode and the driver’s door is opened
while the lights are turned on
A buzzer also sounds.
→Turn the lights off.
(If equipped)
Indicates that the moon roof is not fully closed (with the
engine switch off, and the driver’s door open)
A buzzer also sounds.
→Close the moon roof.
Indicates that the windows are not fully closed (with the
engine switch off, and the driver’s door open)
A buzzer also sounds.
→Close all the windows.
(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 any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
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 headlight 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 any authorized Lexus
dealer or repairer, or another duly qualified and
equipped professional.
Wa r n i n g m e s s a g eDetails/Actions
(Flashes)
(Flashes)
(Flashes)
(Flashes)

5248-2. Steps to take in an emergency
IS250_EE(OM53C51E)
■Doors
Use the mechanical key (→P. 113) in
order to perform the following oper-
ations:
Locks all the doors
Closes the windows and moon
roof (turn and hold)
*
Unlocks all the doors
Opens the windows and moon
roof (turn and hold)
*
*
: This setting must be customized at any authorized Lexus dealer or repairer, or
another duly qualified and equipped professional.
■Tr u n k
Turn the mechanical key clockwise
to open.
If the electronic key does not operate properly
If communication between the electronic key and vehicle is interrupted (→P.
132) or the electronic key cannot be used because the battery is depleted,
the smart entry & start system and wireless remote control cannot be used. In
such cases, the doors and trunk can be opened and the engine can be started
by following the procedure below.
Locking and unlocking the doors, unlocking the trunk and key linked
functions
1
2
3
4

5268-2. Steps to take in an emergency
IS250_EE(OM53C51E)
■Stopping the engine
Shift the shift lever to P and press the engine switch as you normally do when stopping
the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the electronic
key battery be replaced immediately when the battery is depleted. (→P. 4 4 2 )
■Alarm (if equipped)
Using the mechanical key to lock the doors will not set the alarm system.
If a door is unlocked using the mechanical key when the alarm system is set, the alarm
may be triggered.
■Changing engine switch modes
Release the brake pedal and press the engine switch in step above.
The engine does not start and modes will be changed each time the switch is pressed.
(→P. 1 9 3 )
■When the electronic key does not work properly
●Make sure that the smart entry & start system has not been deactivated in the customi-
zation setting. If it is off, turn the function on.
(Customizable features →P. 551)
●Check if battery-saving mode is set. If it is set, cancel the function. (→P. 131)
CAUTION
■When using the mechanical key and operating the power windows and moon roof
Operate the power window or moon roof after checking to make sure that there is no
possibility of any passenger having any of their body parts caught in the window or
moon roof.
Also, do not allow children to operate the mechanical key. It is possible for children and
other passengers to get caught in power window and moon roof.
3

566What to do if... (Troubleshooting)
IS250_EE(OM53C51E)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be operated
if the window lock switch is pressed. (→P. 1 6 7 )
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. (→P. 1 9 4 )
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts? (→P. 4 7 8 )
●The parking brake indicator is on
Is the parking brake released? (→P. 2 0 5 )
Depending on the situation, other types of warning buzzer may also sound.
(→P. 4 76 , 4 8 2 )

●Did anyone inside the vehicle open a door or anything move inside the vehicle
during setting the alarm?
The sensor detects them and the alarm sounds. (→P. 8 3 )
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.The windows do not open or close by operating the power window
switches
The engine switch is turned off automatically
A warning buzzer sounds during driving
An alarm is activated and the horn sounds (if equipped)

570Alphabetical index
IS250_EE(OM53C51E)
Card key...................................................... 112
Care ............................................... 404, 408
Aluminum wheels ............................. 405
Exterior....................................................404
Interior .................................................... 408
Seat belts............................................... 409
Cargo hooks ...........................................395
CD player ................................................. 319
Chains .......................................................289
Child restraint system ............................58
Baby seats, definition .......................... 59
Baby seats, installation .......................68
Child seats, definition.......................... 59
Child seats, installation.......................68
Installing CRS with ISOFIX
rigid anchors.......................................... 71
Installing CRS with seat belts..........68
Installing CRS with top strap ...........72
Junior seats, definition ........................ 59
Junior seats, installation ..................... 70
Child safety................................................. 57
Airbag precautions .............................. 43
Battery precautions ............. 425, 530
Child restraint system.........................58
How your child should
wear the seat belt .............................. 38
Installing child restraints .................... 67Moon roof precautions .................... 173
Power window lock switch ............ 167
Power window precautions........... 169
Rear door child-protectors ............ 122
Removed electronic key
battery precautions....................... 444
Seat belt precautions.......................... 40
Seat heater precautions ................. 387
Trunk precautions .............................. 128
Child-protectors .................................... 122
Cleaning....................................... 404, 408
Aluminum wheels.............................. 405
Exterior ................................................... 404
Interior.....................................................408
Seat belts ............................................... 409
Clock ......................................................... 398
Coat hooks.............................................. 402
Condenser ............................................. 422
Console box ........................................... 392
Cooling system ....................................... 421
Engine overheating ............................ 531
Cruise control
Cruise control ......................................225
Dynamic radar cruise control ......229
Cup holders ............................................ 393
Current fuel consumption ................... 101
Curtain shield airbags ............................ 41
Customizable features....................... 552
C

571Alphabetical index
IS250_EE(OM53C51E)
DAB (Digital Audio Broadcast) .......317
Daytime running light system ......... 207
Defogger
Front windshield .................................382
Outside rear view mirrors.............382
Rear window ........................................ 382
Differential ............................................... 545
Digital Audio Broadcast (DAB) .......317
Dimensions............................................. 538
Display
Drive information .................................. 101
Dynamic radar cruise control ..... 229
LDA (Lane Departure Alert)....... 242
Multi-information display ................ 100
Warning message.............................482
Distance ..................................................... 102
Do-it-yourself maintenance .............. 413
Door courtesy lights
Location................................................. 389
Wattage................................................. 548
Door lock
Doors .......................................................... 118
Smart entry & start system ............. 130
Wireless remote control ....................112Doors............................................................ 118
Automatic door locking and
unlocking system ............................. 122
Door glasses.......................................... 167
Door lock ................................................. 118
Open door warning buzzer ............119
Open door warning light .............. 478
Outside rear view mirrors .............. 163
Rear door child-protector ............. 122
Drive information .................................... 101
Drive info 1/Drive info 2 ......................102
Driver’s and front passenger’s
seat belt reminder light .................. 478
Driver’s seat position memory ........... 151
Driving ........................................................ 176
Break-in tips............................................177
Correct driving posture.....................34
Driving mode select switch.......... 263
Procedures............................................. 176
Winter drive tips ................................ 288
Dynamic radar cruise control ......... 229
D

575Alphabetical index
IS250_EE(OM53C51E)
Identification
Engine......................................................539
Vehicle ....................................................539
Ignition switch (engine switch) ......... 192
Illuminated entry system ....................390
Indicators..................................................... 92
Initialization
Moon roof ............................................... 172
Multi-information display ................ 102
Power windows................................... 168
Tire pressure warning
system ..................................................428
Inside door handle lights ................... 389
Inside rear view mirror .......................... 161
Instrument panel light control ............98
Interior lights ...........................................390
Wattage................................................. 548
Intrusion sensor and tilt sensor ..........86
ISOFIX rigid anchors............................. 67
Jack
Positioning the jack.............................416
Vehicle-equipped jack ...... 497, 508
Jack handle .................................. 497, 508
Jam protection function
Moon roof .................................................171
Power window ..................................... 168Keyless entry
Smart entry & start
system........................................... 118, 125
Wireless remote control ........ 118, 125
Keys............................................................... 112
Battery-Saving Function .................... 131
Electronic key.......................................... 112
Engine switch ........................................ 192
If the electronic key does not
operate properly ............................ 524
Key number plate .................................. 112
Keyless entry................................. 118, 125
Mechanical key ...................................... 113
Replacing the battery .......................442
Warning buzzer.....................................119
Wireless remote control ................... 112
Knee airbags ............................................... 41
I
J
K