2012 Lexus LFA brake light

314
5-2. Steps to take in an emergency
Have the vehicle inspected by your Lexus dealer immediately.
Failing to investigate the cause of the following warnings may lead to the
system operating abnormally and possibly cause an accident. Have the
vehicle inspected by your Lexus dealer immediately.
Warning lightWarning light/Details
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system; or
• The electronic transmission control system.
SRS warning light Indicates a malfunction in:
• The SRS airbag system; or
• The seat belt pretensioner system.
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
•The ABS; or
• The brake assist system.
Brake system warning light Indicates a malfunction in:
• The electronically controlled brake system; or
• The electric parking brake.
Electric power steering system warning light (warning
buzzer) Indicates a malfunction in the EPS system.
(Comes on) Slip indicator
Indicates a malfunction in:
• The VSC system;
•The TRAC system; or
• The hill-start assist control system.

5
When trouble arises
319
5-2. Steps to take in an emergency
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.
■If the tire pressure warning light comes on
Be sure to observe the following precaution s. Failure to do so could cause a 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 a tire is flat, tempo-
rarily repair the tire using the em ergency tire puncture repair kit ( P. 3 3 2 ) a n d
then have the tire repaired or replaced 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.

324
5-2. Steps to take in an emergency
Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
A buzzer sounds and a warning message is shown on the meter. The fol-
lowing warning indicates a possible problem in the brake system. Imme-
diately stop the vehicle in a safe place and contact your Lexus dealer.
Stop the vehicle immediately.
A buzzer sounds and a warning messa ge is shown on the meter. The fol-
lowing warnings indicate the possibility of damage to the vehicle that may
lead to an accident. Immediately stop the vehicle in a safe place and con-
tact your Lexus dealer.
MessageDetails
(U.S.A.)
(Canada) Indicates the following:
• The brake fluid level is low; or,
• The brake system is malfunctioning.
MessageDetails
Indicates an abnormal engine oil pressure. The warning light may turn on if the engine oil pres-
sure is too low.

5
When trouble arises
349
5-2. Steps to take in an emergency
Start the engine of the second vehicle. Increase the engine speed
slightly and maintain at that level for approximately 5 minutes to
recharge the battery of your vehicle.
Maintain the engine speed of th e second vehicle and start the
engine of your vehicle.
Once the vehicle’s engine has started, remove the jumper cables
in the exact reverse order from which they were connected.
After disconnecting the jumper cables, make sure that the negative (-)
battery terminal on your vehicle is fixed securely.
Once the engine starts, have the vehicle inspected at your Lexus dealer
as soon as possible.
■Starting the engine when the battery is discharged
●If the gear indicator is not displayed when an attempt is made to start the
engine, the engine is not yet ready to start. Depress the brake pedal for several
seconds and wait for the ge ar indicator to appear.
●The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical compon ents when the vehicle is running at a
low speed for an extended period, such as in heavy traffic.
STEP3
STEP4
STEP5

363
6-1. Specifications
6
Vehicle specifications
Electrical system
Front counter gear
Rear transaxle
Your Lexus vehicle is filled with “Toyota Genuine Differential Gear Oil” at the fac-
tory. Use Lexus approved “Toyota Genuine Differential Gear Oil” or an equivalent
of matching quality that satisfies the above specifications. Please contact your
Lexus dealer for further details.
Clutch & Shift Hydraulic System Fluid
Battery
Open voltage* at
68 F (20 C): 12.6
12.8 V Fully charged
12.2 
12.4 V Half charged
11.8 
12.0 V Discharged
(*: Voltage checked 20 minutes after the
engine and all the lights are turned off)
Charging rates 5 A max.
Engine oil
Oil brand“Mobil 1 5W-50” (also used for the engine)
Oil capacity5.6 qt. (5.3 L, 4.7 Imp. qt.)
Oil type and viscosity“Toyota Genuine Differential Gear Oil LT
75W-85 GL-5” or equivalent
Fluid type“Toyota Genuine Brake Fluid 2500H”
(change not needed)

400
Abbreviation list
Abbreviation/Acronym list
ABBREVIATIONSMEANING
ABS Anti-lock Brake System
ALR Automatic Locking Retractor
ANSI American National Standards Institute
ASG Automated Sequential Gearbox
CCM Carbon Ceramic Material
CFRP Carbon Fiber Reinforced Plastics
CRS Child Restraint System
ECU Electronic Control Unit
EDR Event Data Recorder
ELR Emergency Locking Retractor
EPS Electric Power Steering
FCC Federal Communications Commission
GAWR Gross Axle Weight Rating
GPS Global Positioning System
I/M Emission inspection and maintenance
ICNIRP International Commission on Non-Ionizing Radiation
Protection
LED Light Emitting Diode
M + S Mud and Snow
MMT Methylcyclopentadienyl Manganese Tricarbonyl
MTBE Methyl Tertiary Butyl Ether
NCRP National Council on Radiation Protection and Measure-
ment
NHTSA National Highway Traffic Safety Administration
OBD On Board Diagnostics

402
Alphabetical index
Alphabetical index
“AUTO” driving mode ........................ 104
A/C ................................................... 186, 194
ABS.............................................................. 166
Active rear wing ....................................... 171
Air conditioning filter ..........................283
Air conditioning systemAir conditioning filter ....................... 283
Automatic air conditioning system ......................................... 186, 194
Air gauge ................................................. 278
Airbags Airbag operating conditions........... 65
Airbag precautions for your child.......................................................... 68
Airbag warning light .......................... 314
General airbag precautions ........... 68
Locations of airbags.............................. 61
Modification and disposal of airbags ...................................................... 71
Passenger occupant classification system.......................... 72
Proper driving posture ...................... 59
Seat airbag precautions .................... 68
Seat belt airbag operating conditions.............................................. 65
SRS airbags ............................................... 61 Alarm ............................................................ 55
Anti-lock brake system ........................166
ASG ............................................................ 102
Audio input*
1
Audio system.......................................... 202
Auto away function................................. 33
Automatic air conditioning
system ........................................... 186, 194
Automated Sequential Gearbox .... 102
Average fuel consumption ........ 118, 132
Average vehicle speed ............... 119, 132
AUX port*
1
A

403
Alphabetical index
Back camera ............................................ 163
Back doorOpener.......................................................29
Back door light Replacing light bulbs ....................... 299
Wattage ................................................. 367
Back monitor ........................................... 163
Back-up lights Wattage ................................................. 367
Battery Checking ............................................... 265
Terminals ............................................... 265
If the vehicle has a discharged battery ........................ 348
Warning light......................................... 313
Warning message .............................327
Wireless remote control
battery ..................................................... 285
Bottle holder ..............................................211
Brake Braking sound........................................ 90
CCM brake disc ............................... 365
Fluid ...........................................................262
Parking brake ..........................................113
Warning light............................... 312, 314
Warning message .............................327
Brake assist ............................................... 166
Brightness control ................................. 147 Camera ...................................................... 163
Care
Exterior....................................................228
Interior .....................................................235
Seat belts ................................................236
Cargo capacity ........................................176
CCM brake disc ...................................365
Chains ..........................................................181
Child restraint system Booster seats, definition .................... 76
Booster seats, installation ................. 82
Convertible seats, definition ............ 76
Convertible seats, installation .......... 81
Installing CRS with seat belts ........... 81
Installing CRS with top straps.........83
Passenger occupant classification system ......................... 72
Child safety Active rear wing ................................... 172
Airbag precautions ..............................68
Battery precautions .............268, 350
Child restraint system ......................... 76
How your child should wear the seat belt ..........................................38
Installing child restraints.................... 80
Power window precautions ............48
Rear hatch precautions......................30
Removed wireless remote control battery precautions...... 286
Seat belt guide........................................ 37
Seat belt precautions .......................... 39
Seat heater precautions..................... 35B
*1: Refer to “Navigation System Owner’s Manual”.
C