2012 Lexus LFA warning lights

293
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Driver’s side instrument panel
FuseAmpereCircuit
1D-P/W 20 A Power window (driver's side)
2D-PWR SEAT 30 A Power seat (driver's side)
3DRLCK ALT 25 A Main body ECU
4RLY SIG 5 A PANEL
5OBD10 A On-board diagnosis
6AM1 5 AD-ACC, P-ACC, CDS FAN, WIP,
WASH, MIR HTR, D-S/HTR, P-S/
HTR, D-IG1-1, D-IG1-2, D-IG1-3, D-
IG1-4, P-IG1-1, P-IG1-2, P-IG1-3, P-
IG1-4, RR-IG1
7D-S/HTR 15 A Seat heater (driver's side)
8D-ACC
5 A Main body ECU
9R/MIR10 A Outside rear view mirrors
10D-IG1-1 5 A CAN gateway ECU
11D-IG1-4 5 A Seat heater (driver's side)
12D-IG1-25 AMain body ECU, rear hatch, EPS
(Electric Power Steering), tire pres-
sure warning system, charging system,
turn signal lights, emergency flashers

312
5-2.Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds...
Calmly perform the following actions if any of the warning lights comes on or
flashes. If a light comes on or flashes, but then goes off, this does not necessar-
ily indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.
The following warning indicates a possible problem in the brake system.
Immediately stop the vehi cle in a safe place and contact your Lexus
dealer.
Warning lightWarning light/Details
(U.S.A.)
(Canada)
Brake system warning light (warning buzzer) •Low brake fluid
• Malfunction in the brake system

5
When trouble arises
323
5-2. Steps to take in an emergency
Menu displayMaster warning light
Comes on or flashes to indicate
that a message is currently being
displayed on the meter.
Warning message
If multiple warning messages
occur, they will be shown alter-
nately.
“Warning”
Can be selected when a message
is shown while in the menu display.
Select “Warning” with the control
pad and press right to display the
warning message list.
Warning message list
Lists up to four currently occurring
warning messages.
If five or more warning messages
have occurred, press up or down
on the control pad to scroll through
them.
Once the warning is resolved, the
corresponding message will disap-
pear.
If any of the warning lights turns on again after performing the following
actions, contact your Lexus dealer.

384
6-2. Customization
Door lock
(
P. 2 5 )Unlocking using a key
Driver's door
unlocked in one
step, both side
doors unlocked
in two stepsBoth side doors
unlocked in one
step
Speed-detecting auto-
matic door lock function Off On
Opening driver's door
unlocks both side doors Off On
Pow e r e a s y
access system
(
P. 3 2 ) Auto away function Off On
Pow e r w i n -
dows
(
P. 4 6 ) Key linked operation Off
Open and close
Open onlyClose only
Wireless remote control
linked operation Off Open only
Automatic
light control
system
(
P. 1 5 8 ) Ti m e e l a p s e d b e f o r e
headlights automatically
turn off after doors are
closed
30 seconds0 seconds
60 seconds
90 seconds
ASG
(Automated
Sequential
Gearbox)
(
P. 1 0 2 ) Reverse warning buzzer Intermittent Once
ItemFunctionDefault settingCustomized
setting

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

404
Alphabetical index
CleaningExterior ................................................... 228
Interior ..................................................... 235
Seat belts................................................ 236
Clock .......................................................... 148
Condenser ............................................... 261
Control pad .............................................. 125
Cooling system Engine overheating ............................351
Current fuel consumption.................. 132
Customizable features ...................... 383
Daytime running light system ........... 159
Defogger Rear window ..........................................201
Side mirror ..............................................201
Dimension*
2
Dinghy towing ......................................... 183
Discharge headlights Discharge headlight precautions ...................................... 300
Replacing light bulbs........................ 299
Switch ....................................................... 158
Wattage.................................................. 367
Display Menu display.......................................... 124
Rear view monitor system...............163
Trip information ..................................... 118
Warning message............................. 322
Do-it-yourself maintenance ............. 247 Door courtesy lights
Door courtesy lights .........................207
Wattage ..................................................367
Door pockets ........................................... 212
Doors Door lock ......................................... 22, 25
Door windows ........................................46
Side mirrors.............................................. 43
Down light ............................................... 207
Driver's seat belt reminder light ...... 315
Driving Correct posture.................................... 59
Procedures.............................................. 88
Driving mode .......................................... 104
Driving range ............................................ 119
D

406
Alphabetical index
Engine coolant temperature gauge......................................................... 116
Engine immobilizer system.................. 53
Engine oil Adding engine oil .............................. 257
Capacity ...................................................361
Checking ............................................... 257
Engine oil consumption..................258
Engine oil pressure gauge ............... 116
Engine oil temperature gauge ....... 116
Oil brand .................................................361
Temperature ......................................... 100
Warning message..................324, 327
Engine oil level ........................................ 132
Engine oil maintenance ....................... 132
Engine oil temperature.......................... 116
EPS .............................................................. 166
Event data recorder ............................. 310 First-aid kit ................................................ 218
Flatbed tow truck.................................. 306
Floor jack ................................................. 253
Floor mats ..................................................215
Fluid
Brake ........................................................262
Washer....................................................264
Front turn signal lights Switch .......................................................... 112
Replacing light bulbs ....................... 299
Wattage ..................................................367
Fuel Capacity ................................................ 360
Fuel gauge ................................................ 116
Fuel pump shut off system ............ 309
Fuel tank cap ...........................................49
Information ........................................... 368
Warning light......................................... 315
Fuel consumption .......................... 118, 132
Fuel filler door Fuel tank.....................................................49
Washer fluid .........................................264
Fuel pump shut off system................. 309
Fuses .......................................................... 287
Gauges Adding engine oil...............................257
Tire pressure.........................................270
Meter ........................................................... 116
Gear changes ......................................... 102
Glove box ................................................. 210F
G

410
Alphabetical index
Paddle shift switches ............................ 102
Parking ........................................................ 88
Parking brakeIf the parking brake cannot be released........................................ 345
Parking brake ..........................................113
Warning light ...............................312, 314
Warning message................. 324, 325
Passenger occupant classification system ............................ 72
Passenger's seat belt reminder light....................................... 315
Parking lights Replacing light bulbs........................ 299
Switch ....................................................... 158
Penlight ........................................................ 211
Personal lights Switch ......................................................208
Power easy access system................... 33
Power outlet............................................. 214
Power windows ........................................ 46
Premium master key .............................. 20 Radiator
Overheating .......................................... 351
Radiator grille prec aution ..233, 234
Rear hatch Opener ...................................................... 29
Storage precautions ............................ 29
Rear hatch light Wattage ..................................................367
Rear turn signal lights Replacing light bulbs ....................... 299
Wattage ..................................................367
Rear view monitor system ..................163
Rear window defogger ....................... 201
Rear wing .................................................... 171
Replacing Air conditioning filter ....................... 283
Fuses .........................................................287
Light bulbs ............................................ 299
Wireless remote control battery ................................................. 285
Reporting safety defects for U.S. owners..........................................388
Rear view mirror ...................................... 43
Rev indicator ............................................129
Rev Peak ................................................... 148
Reverse selector switch...................... 103PR