2012 Lexus LFA horn

TABLE OF CONTENTSIndex
2
1-1. Key informationKeys ...................................................... 20
1-2. Opening, closing and locking the doors
Wireless remote control .............. 22
Doors.................................................... 25
Rear hatch .......................................... 29
1-3. Adjustable components (seats, mirrors,
steering wheel)
Seats ..................................................... 32
Seat belts ............................................ 36
Steering wheel................................... 41
Anti-glare inside rear view mirror ...................................... 42
Outside rear view mirrors ........... 43
1-4. Opening and closing the windows
Power windows................................ 46
1-5. Refueling Opening the fuel tank cap........... 49
1-6. Theft deterrent system Engine immobilizer system ......... 53
Alarm.................................................... 55 1-7. Safety information
Correct driving posture ............... 59
SRS airbags ........................................ 61
Passenger occupant classification system .................... 72
Child restraint sy stems ................. 76
Installing child restraints .............. 80
2-1. Driving procedures Driving the vehicle ......................... 88
Ignition switch ................................... 98
ASG (Automated Sequential Gearbox)................ 102
Turn signal lever............................... 112
Parking brake ................................... 113
Horn...................................................... 115
2-2. Instrument cluster Gauges and meters ....................... 116
Indicators and warning lights................................................... 121
Using the menu .............................. 124
2-3. Operating the lights and windshield wipers
Headlight switch ............................ 158
Windshield wipers and washer............................................. 160
1Before driving
2When driving

12
Pictorial index
Gauges and
meters
P. 116, 124
Paddle shift switches P. 102
“ENGINE START” switch P. 98
Glove box P. 210
Floor mats P. 215
Parking brake switch P. 113
Tilt and telescopic steering
lock release lever
P. 41
Horn P. 115
Instrument panel
Control pad P. 125

When driving2
87
2-1. Driving proceduresDriving the vehicle................... 88
Ignition switch ........................... 98
ASG (Automated Sequential Gearbox) .......... 102
Turn signal lever ........................ 112
Parking brake ............................ 113
Horn ............................................. 115
2-2. Instrument cluster Gauges and meters ................. 116
Indicators and warning lights .......................................... 121
Using the menu........................ 124
2-3. Operating the lights and windshield wipers
Headlight switch...................... 158
Windshield wipers and washer ..................................... 160 2-4. Using other driving
systems
Rear view monitor system .... 163
Driving assist systems ............ 166
Active rear wing ........................ 171
Launch control.......................... 174
2-5. Driving information Cargo and luggage ................. 176
Vehicle load limits .................... 179
Winter driving tips .................. 180
Trailer towing ........................... 182
Dinghy towing .......................... 183

115
2-1. Driving procedures
2
When driving
Horn
To sound the horn, press the pad in
the middle of the steering wheel.
■After adjusting the steering wheel
Make sure that the steering wheel is securely locked.
The horn may not sound if the steering wheel is not securely locked. (P. 4 1 )

292
4-3. Do-it-yourself maintenance
23IG220 A IGN, E/G IG, ECU-IG2, GAUGE
24D/C C UT 20 A MPX-B, DOME, P-MPX-B
(for suppressing parasitic current)
25HORN
15 A Horn
26ETCS-RH 10 A Multiport fuel injection system/
sequential multiport fuel injection sys-
tem
27ETCS-LH 10 AMultiport fuel injection system/
sequential multiport fuel injection sys-
tem
28BI XENON 10 A Headlight low/high beams
FuseAmpereCircuit

5
When trouble arises
343
5-2. Steps to take in an emergency
If the engine will not start
If the engine will not start, even though correct starting procedures are being
followed (
P. 98), consider each of the following points.
■ The engine will not start even when the starter motor operates nor-
mally.
One of the following may be the cause of the problem.
● There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine once more following correct starting pro-
cedures. ( P. 9 8 )
● There may be a malfunction in the engine immobilizer system.
( P. 5 3 )
■ The starter motor turns over slowly , the interior lights and headlights
are dim, or the horn does not sound or sounds at a low volume.
One of the following may be the cause of the problem.
● The battery may be discharged. ( P. 3 4 8 )
● The battery terminal connections may be loose or corroded.
■ The starter motor does not turn over, the interior lights and head-
lights do not turn on, or the horn does not sound.
One of the following may be the cause of the problem.
● One or both of the battery terminals may be disconnected.
● The battery may be discharged. ( P. 3 4 8 )
Contact your Lexus dealer if the prob lem cannot be repaired, or if repair
procedures are unknown.

407
Alphabetical index
Hazard lights .......................................... 302
Headlight cleaner ..................................160
Headlight low/high beams.................158
HeadlightsDischarge headlight precautions .......................................300
Replacing light bulbs ....................... 299
Switch ....................................................... 158
Wattage ................................................. 367
Heaters Seat heaters..............................................32
Side mirror .............................................. 201
High beams ..............................................158
High mounted stoplight Replacing light bulbs ....................... 299
Hill-start assist control ......................... 166
Hood ......................................................... 250
Hooks Tonneau cover ..................................... 218
Horn.............................................................. 115
Hub socket................................................ 281 I/M test...................................................... 246
Identification
Engine..................................................... 358
Vehicle ................................................... 358
Ignition switch............................................98
Ignition switch light............................... 207
Illuminated entry system .................... 207
Illumination .............................................. 207
Indicator lights........................................... 121
Initialization Items to initialize ................................ 386
Inside rear view mirror .......................... 42
Interior lights Down light .............................................207
Ignition switch light............................207
Interior lights .........................................207
Switch...................................................... 208
Wattage .................................................. 367
Intermittent adjuster ............................. 160HI

415
What to do if...
What to do if...
A tire puncturesP. 3 3 2If you have a flat tire
The engine does not start
P. 9 8Ignition switch
P. 3 4 3If the engine will not start
P. 5 3Engine immobilizer system
P. 3 4 8If the vehicle battery is discharged
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hoodP. 3 5 1If your vehicle overheats
The parking brake cannot be
releasedP. 3 4 5If the parking brake cannot be released
The key/wireless remote
control is lostP. 3 4 4If you lose your keys/wireless remote
control transmitter
The battery runs outP. 3 4 8If the vehicle battery is discharged
The doors cannot be lockedP. 2 5Doors
The rear hatch cannot be
openedP. 2 9Rear hatch
The horn begins to soundP. 5 5Alarm