horn LEXUS LS430 2006 Owners Manual

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1
1-6. Theft deterrent system
Before driving
Alarm
Deactivating or stopping the alarm
Do one of the following:
• Unlock a door using a key, r
emote entry or smart access
system.
• Turn the ignition switch ON.
The system will return to standby
mode approximately 30 seconds
after it operates.
The system is designed to trigger the alarm, if forcible entry is detected (horn
sounds and emergency flashers flash).
After exiting the vehicle, shut the
doors, trunk and hood, and lock all
the doors. 
The system will begin operating
automatically af
ter 30 seconds.
The security system indicator light
will begin flashing when the system
is set.

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2-4. Using other driving systems
■Detection range
■Objects or situations which may result in mistaken obstacle detection
●When you stop your vehicle in extreme hot or cold weather.
●Foreign matter such as snowflakes or mud gets on the sensor.
●Road bumps, gravel or glass if driving on such surfaces.
●Devices issuing ultrasonic waves such as another vehicle’s horn, motorcycle’s
engine, the air braking sound from heavy-duty vehicles, if such a devices are
operated around your vehicle.
●Rain or water splashing over the sensor.
●The ground, if the vehicle is on non-level ground
●A radio antenna, towing eyelet, towing hitch or fender pole, if mounted.
●Mud, ice or snow on the sensor.
●High curbs.
About 3 ft. (1 m)
About 1.5 ft (50 cm)1
2

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4-3. Do-it-yourself maintenance
■Fuse box in the driver’s side kick panel
FuseAmpereCircuit
TA I L7. 5Tail lights, parking lights, Side marker lights
H-LP CLN30Headlight cleaner
EFI NO.125Multiport fuel injection system/sequential
multiport fuel injection system
HORN10Horns
ETCS10Multiport fuel injection system/sequential
multiport fuel injection system
H-LP HI20Headlights (high beam)
FuseAmpereCircuit
TI & TE20Tilt and telescopic steering
PA N E L7. 5
Lexus park assist system, Rear seat heater,
Rear climate control seat, Multi-informa -
tion display, Audio system, Cigarette
li
ghter, Instrument panel light, Coin box
light, Rear mirror light, Glove box light,
Power rear seat, Electronically modulated
air suspension system, Turn signal lights,
Clock, Shift lock system, Vehicle stability
control system, Sunshade, Power rear view
mirror control system, Console box light,
Fuel opener system, Adaptive Front Light -
ing System (AFS)
D P/SEAT30Power seat system
GAUGE7. 5Gauges and meters, Lexus park assist sys -
tem, Shift lock system
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15
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3
4

5
When trouble arises
353
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.94), consider each of the following points. 
Contact your Lexus dealer if the problem cannot be repaired, or if repair pro -
cedures are unknown.
■ The engine will not start even wh en 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. 
Add fuel to the vehicle.
• The engine may be flooded. 
Try to restart the engine once mor
e following correct starting
procedures (
P. 94 ). Hold the ignition switch in the START posi -
tion for a slightly longer period (u p to a maximum of 15 seconds).
■ The star
ter 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.356 )
• The battery terminal connectio ns may be loose or corr
oded.
■ The star
ter 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.356 )
• There may be a malfunction in the engine immobilizer system.  (
P.54)

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What to do if...
What to do if...
A tire puncturesP. 3 4 7If you have a flat tire
The engine does not start
P. 3 5 3If the engine will not start
P. 5 4Engine immobilizer system
P. 3 5 6If the vehicle has a discharged battery
The transmission selector lever 
cannot be moved outP. 3 5 4If the transmission selector lever cannot
be shifted from P
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood
P. 3 5 9If your vehicle overheats
You lose your keyP. 3 5 5If you lose your keys
The battery is dischargedP. 3 5 6If the vehicle has a discharged 
battery
The doors cannot be lockedP. 1 5Doors
The horn begins to soundP. 5 5Alarm
The vehicle is stuck in mud 
or sandP. 3 6 1If the vehicle becomes stuck