2014 Lexus IS F brake light

5
When trouble arises
471
5-2. Steps to take in an emergency
IS F_U
Warning lightWarning light/Details
(U.S.A.)

(Canada)
ABS warning lightIndicates a malfunction in:
•The ABS; or
• The brake assist system.
Electric power steering system warning lightIndicates a malfunction in the EPS (Electric Power Steering)
system.
Pre-collision system warning light (if equipped)Indicates a malfunction in the pre-collision system.
The warning light will operate as follows, even when the sys-
tem is not malfunctioning:
• The light will flash quickly when the system is operating.
(→ P. 2 0 7 )
• The light will flash when the pre-collision braking is dis- abled. ( →P. 2 0 8 )
• The light will flash when the system cannot temporarily be used. ( →P. 4 8 3 )
Slip indicator
Indicates a malfunction in:
• The VSC system;
• The TRAC system; or
• The hill-start assist control system
■Electric power steering system warning light
When the voltage is low or drops, the electric power steering system warning light
may come on.

476
5-2. Steps to take in an emergency
IS F_U
CAUTION
■If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could cause loss of
vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire inflation pres-
sure immediately.
●If the tire pressure warning light comes on even after tire inflation pressure adjust-
ment, it is probable that you have a flat tire. Check the tires. If the tire is flat,
change to the spare tire and have the flat tire repaired by the nearest Lexus
dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate, you could
lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.

488
5-2. Steps to take in an emergency
IS F_U
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supple-ment” for the maintenance interval applicable to your vehicle.
(Flashing
quickly)
(If equipped)
Indicates that there is a
high possibility of a fron-
tal collision, or that the
pre-collision braking
function is operating.
Slow the vehicle by apply-
ing the brakes.
■Warning light display in dynamic radar cruise mode (if equipped)
In the following cases, the warning light may not be displayed even if vehicle-to-
vehicle distance decreases.
●When your vehicle and the vehicle ahead are traveling at the same speed or the
vehicle ahead is traveling more quickly than your vehicle
●When the vehicle ahead is traveling at a very low speed
●Immediately after cruise control speed is set
●At the instant the accelerator pedal is depressed
Wa r n i n g m e s s a g eDetailsCorrection procedure

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5-2. Steps to take in an emergency
IS F_U
CAUTION
■When using the compact spare tire
●Remember that your compact spare tire is specifically designed for use with your
vehicle. Do not use your compact spare tire on another vehicle.
●Do not use the compact spare tire as a rear tire. If you have a flat rear tire, replace
a front tire with the compact spare tire first and then replace the flat rear tire with
the tire removed from the front.
●Do not use more than one compact spare tire simultaneously.
●Replace the compact spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, deceleration and braking, as well as sharp cornering.
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failing to observe
this precaution may lead to an accident causing death or serious injury.
■When the spare tire is installed
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS & brake assist
●VSC
●TRAC
●VDIM
●Navigation system (if equipped)
●Intuitive parking assist (if equipped)
●Dynamic radar cruise control (if equipped)
●Cruise control (if equipped)
●PCS (if equipped)
●LSD
●Automatic headlight leveling system

568
IS F_U
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
ABSAnti-lock Brake System
AI-SHIFTArtificial Intelligence Shift
ALRAutomatic Locking Retractor
CRSChild Restraint System
DISPDisplay
ECUElectronic Control Unit
EDREvent Data Recorder
ELREmergency Locking Retractor
EPSElectric Power Steering
GAWRGross Axle Weight Rating
I/MEmission inspection and maintenance
LATCHLower Anchors and Tethers for Children
LEDLight Emitting Diode
LSDLimited Slip Differential
MMTMethylcyclopentadienyl Manganese Tricarbonyl
M + SMud and Snow
MTBEMethyl Tertiary Butyl Ether
OBDOn Board Diagnostics
PCSPre-Collision System
SRSSupplemental Restraint System
TINTire Identification Number
TPMSTire Pressure Warning System
TRACTr a c t i o n C o n t r o l
VDIMVehicle Dynamics Integrated Management

570
IS F_U
Alphabetical index
Alphabetical index
A/C* .......................................................... 224
ABS.............................................................. 201
ACCESSORY mode .......................... 138
Air conditioning filter ..........................434
Air conditioning systemAir conditioning filter ....................... 434
Automatic air conditioning system .................................................. 224
Airbags Airbag operating conditions........... 99
Airbag precautions for your child........................................................ 103
Airbag warning light ........................ 470
Curtain shield airbag operating conditions.............................................. 99
Curtain shield airbag
precautions ........................................ 103
Front passenger occupant
classification system....................... 108
General airbag pr ecautions ......... 103
Locations of airbags............................ 96
Modification and disposal of airbags ...................................................107
Proper driving posture ............94, 103
Side airbag operating conditions.............................................. 99
Side airbag precautions .................. 103
SRS airbags ............................................. 96
Alarm ............................................................90
Antenna* .................................................. 242
Anti-lock brake system ....................... 201
Armrest .....................................................356
Ashtrays ..................................................... 351
Assist grips...............................................360
Audio input*............................................ 279
Audio system* Antenna .................................................. 242 Audio input............................................279
AUX port ...............................................279
Bluetooth
® audio ............................. 284
CD player/changer ......................... 245
iPod .......................................................... 260
MP3/WMA disc................................252
Optimal use .......................................... 277
Portable music player ...................... 279
Radio ........................................................ 237
Steering wheel audio switch.......... 281
USB memory ...................................... 268
USB port ...................................260, 268
Automatic air conditioning system* .................................................. 224
Automatic headlight leveling system ......................................................169
Automatic light control system.........166
Automatic transmission Automatic transmission ................... 142
If the shift lever cannot be shifted from P................................... 503
M mode ................................................... 147
AUX port* .............................................. 279
Auxiliary box .......................................... 344
Back-up lights Wattage ................................................. 528
Battery
Checking................................................. 413
If the vehicle has a discharged battery .................................................508
Preparing and checking
before winter...................................... 218
Bluetooth
® audio* ............................... 284
Bluetooth® phone* .............................303
Bottle holders ......................................... 344
A
B

571
Alphabetical index
IS F_U
BrakeFluid .............................................................. 411
Parking brake ........................................ 152
Brake assist ............................................... 201
Care
Exterior ................................................... 384
Interior.....................................................388
Seat belts ............................................... 389
Cargo capacity ....................................... 214
Cargo hooks ...........................................362
CD changer* ..........................................245
CD player* ..............................................245
Chains......................................................... 218
Child restraint system Booster seats, definition.....................113
Booster seats, installation ..................119
Convertible seats, definition ............113
Convertible seats, installation .........119
Front passenger occupant
classification system ...................... 108
Infant seats, definition ..........................113
Infant seats, installation........................119
Installing CRS with lower
anchorages .......................................... 118
Installing CRS with seat belts ..........119
Installing CRS with top straps ....... 123
Child safety
Airbag precautions ............................103
Battery precautions................. 415, 510
Child restraint system .........................113
Child-protectors.................................... 47
How your child should wear the seat belt .......................................... 68 Installing child restraints..................... 117
Moon roof precautions......................84
Power window lock switch .............. 78
Power window precautions ........... 80
Removed electronic key battery
precautions........................................ 437
Seat belt comfort guide .....................66
Seat belt extender precautions...... 70
Seat belt precautions ..........................69
Seat heater precautions................. 355
Trunk precautions................................. 53
Child-protectors ...................................... 47
Cigarette lighter....................................352
Cleaning
Exterior................................................... 384
Interior .................................................... 388
Seat belts ............................................... 389
Clock ......................................................... 347
Coat hooks ..............................................359
Compass .................................................. 372
Condenser ................................................. 411
Console box ...........................................340
Cooling system Engine overheating.............................. 511
Cornering assist sensors .................... 195
Cruise control Cruise control........................................ 177
Dynamic radar cruise control......... 181
Cup holders ............................................ 342
Curtain shield airbags............................ 96
Customizable features .......................544
C
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

573
Alphabetical index
IS F_U
Engine coolant temperature gauge ....................................................... 154
Engine immobilizer system ................. 88
Engine oil Capacity................................................. 522
Checking ............................................... 406
Preparing and checking before winter ...................................... 218
EPS............................................................... 201
Event data recorder................................ 22
First-aid kit storage belt......................362
Floor mat.................................................... 361
Fluid Brake ...........................................................411
Washer ..................................................... 416
Fog lights Switch ........................................................ 170
Footwell lights........................................ 334
Front fog lights Switch ........................................................ 170
Front passenger occupant
classification system ......................... 108
Front passenger's seat belt
reminder light ...................................... 472
Front seats
Adjustment .............................................. 55
Driving position memory ................. 56
Seat position memory ........................ 60
Front turn signal lights
Switch ..........................................................151
Wattage ................................................. 528 Fuel
Capacity .................................................. 521
Fuel gauge.............................................. 154
Fuel pump shut off system............ 468
Gas station information ................. 584
Information ............................................529
Refueling................................................... 85
Fuel door .....................................................85
Fuel filler door ...........................................85
Fuel pump shut off system.................468
Fuses ..........................................................438
Garage door opener ..........................365
Gas station information......................584
Gauges ...................................................... 154
Glove box ................................................339
Glove box light ......................................339
Hands-free system for mobile phone* ...................................................303
Hazard lights Switch...................................................... 460
Head restraints Adjusting .................................................. 62
Headlight aim ......................................... 452
Headlight cleaner ...................................176
Headlights Discharge headlight
precautions....................................... 458
Replacing light bulbs ........................454
Switch........................................................ 166
Wattage ................................................. 528
F
G
H
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.