2012 Lexus LFA remote control

286
4-3. Do-it-yourself maintenance
■Use a CR2016 lithium battery
●Batteries can be purchased at your Lexus dealer, local electrical appliance
shops or camera stores.
●Replace only with the same or equivalent type recommended by the manufac-
turer.
●Dispose of used batteries according to the local laws.
■If wireless remote control battery is depleted
The following symptoms may occur:
●The wireless remote control will not function properly.
●The operational range is reduced.
CAUTION
■Removed battery and other parts
Keep away from children. These parts are small and if swallowed by a child, they can
cause choking. Failure to do so coul d result in death or serious injury.
NOTICE
■For normal operation after replacing the battery
Observe the following precautions to prevent accidents.
●Always work with dry hands.
Moisture may cause the battery to rust.
●Do not touch or move any other comp onents inside the remote control.
●Do not bend either of the battery terminals.

295
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Passenger’s side instrument panel
FuseAmpereCircuit
1P-PWR SEAT 30 A Power seat (passenger's side)
2P-P/W 20 A Power window (passenger's side)
3DISPLAY2 10 A Navigation system
4DISPLAY1 10 A Remote Touch, navigation system, air
conditioning system
5A/C
10 A Air conditioning system
6P- ACC 5 ARemote Touch, navigation system, air
conditioning system, Lexus Enform
7P-CIG
15 A Power outlet
8P-IG1-4 5 A Seat heater (passenger's side)
9P- I G 1 -15 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem, air conditioning system
10P- I G 1 -3
5 ASRS airbag system, VDIM (Vehicle
Dynamics Integrated Management)
11P- I G 1 -2
5 ANavigation system, air conditioning
system
12ABS MAIN P1 10 A

13ABS MAIN P2 10 A Electronically controlled brake system

296
4-3. Do-it-yourself maintenance
14PMG5 A Electric power control system
15RAD NO.1 10 A Audio system
16MAYDAY 5 A Lexus Enform
17P-S/HTR 15 A Seat heater (passenger's side)
18MIR HTR 15 A Outside rear view mirror defoggers
19P- M PX- B 5 A Multiport fuel injection system/
sequential multiport fuel injection sys-
tem, wireless remote door lock func-
tion, power seat (passenger’s side)
20GAUGE 10 A Gauges and meters
21ECU-IG2 5 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem, ASG (Automated Sequential
Gearbox), electric power control sys-
tem, passenger occupant classifica-
tion system, CAN gateway ECU,
Lexus Enform
FuseAmpereCircuit

When trouble arises5
301
5-1. Essential informationEmergency flashers.............. 302
If your vehicle needs to be towed................................ 303
If you think something is wrong ..................................... 308
Fuel pump shut off system .................................... 309
Event data recorder ............... 310 5-2. Steps to take in an
emergency
If a warning light turns on or a warning buzzer
sounds... .................................. 312
If a warning message is displayed................................ 322
If you have a flat tire............... 332
If the engine will not start .... 343
If you lose your keys/ wireless remote
control transmitter ............. 344
If the parking brake cannot be released ............. 345
If the vehicle battery is discharged ............................ 348
If your vehicle overheats ...... 351
If the vehicle becomes stuck........................................ 354
If your vehicle has to be stopped in an
emergency ............................ 355

344
5-2. Steps to take in an emergency
If you lose your keys/wireless remote control transmitter
■Keys
New genuine Lexus keys can be made by your Lexus dealer using the
other keys and the key number stamped on your key number plate.
However, there may be cases where an additional premium master key
cannot be made. For details, ask your Lexus dealer.
■ Wireless remote control transmitter
New genuine wireless remote control transmitters can be purchased
and programmed by your Lexus deal er. If a wireless remote control
transmitter has been lost, bring th e other wireless remote control
transmitter when going to pick up the new transmitter.

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

405
Alphabetical index
Electric power steering ....................... 166
Emergency, in case ofIf the active rear wing will not operate ....................................... 325
If the engine will not start ............... 343
If the fuel filler door cannot be opened ............................................ 50
If the parking brake cannot be released ....................................... 345
If the rear hatch cannot be opened ....................................................29
If the vehicle has a discharged battery.................................................. 348
If the warning buzzer sounds........ 312
If the warning light turns on ............ 312
If the warning message is displayed .............................................322
If you have a flat tire ........................ 332
If you lose your keys ........................ 344
If you lose your wireless remote control ................................ 344
If you think something is wrong...................................................308
If your vehicle becomes stuck .... 354
If your vehicle has to be stopped in an emergency ......... 355
If your vehicle needs to be towed ................................................... 303
If your vehicle overheats.................. 351 Emergency flashers
Switch.......................................................302
Engine “ENGINE START” switch ...............98
Compartment......................................256
Engine coolant ................................... 260
Engine coolant temperature gauge....................................................... 116
Engine oil pressure gauge ............... 116
Engine oil temperature gauge ....... 116
Engine speed restrictions .................90
Engine starting restrictions............... 181
Hood ....................................................... 250
How to start the engine .....................98
Identification number ...................... 358
Idling with five cylinders.....................90
If the engine will not start................343
Ignition switch .........................................98
Overheating .......................................... 351
Tachometer ......................................... 260
Variable red zone................................. 119
Warning light ........................................ 314
Warning message ................. 324, 327
Engine coolant Capacity .................................................362
Checking .............................................. 260
Coolant type ........................................362
Engine coolant temperature gauge....................................................... 116
Preparing and checking before winter .....................................180E
*2: Refer to “Inside the LFA”.