lock LEXUS LS430 2005 Workshop Manual

SWITCHES
74
Replacing the air filters
The air filters may clog after the long use of the climate control
seats which will reduce the air flow. However, you can inspect
the filters easily.
When you replace the air filters, be sure to turn off the fans.
Front
12L130
Under the seat
1
Remove the air filter locks.
2Remove the air filter.
The front climate control seat filters are located under the
driver and front passenger seats.
Replace the air filter when the performance of air flow becomes
low by the deterioration of filter.
NOTICE
The air filters should be installed properly in position.
The use of front climate control seat with the air filter
removed may cause the malfunction of the front climate
control seat.

SWITCHES
75
Rear
The rear climate control seat filters are located in the rear side
garnishes and under the rear outboard passenger seats.
12L182
Under the seat
1
Push the rear seat po sition control button to slide the rear
seat to the foremost position.
2 Remove the air filter lock under the seat.
3Remove the air filter.
Replace the air filter when the performance of air flow becomes
low by the deterioration of filter.
NOTICE
The air filters should be installed properly in position.
The use of rear climate control seat with the air filter
removed may cause the malfunction of the rear climate
control seat.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
84
(a) Brake System Warning Light
This light comes on in the following cases when the ignition
switch is in the “ON” position.
When the parking brake is applied ...
This light comes on for a few seconds when the ignition switch
is turned to the “ON” position even after the parking brake is
released.
 When the brake fluid level is low ...
CAUTION
It is dangerous to continue driving normally when the
brake fluid level is low.
Have your vehicle checked at your Lexus dealer in the
following case:
The light does not come on even if the parking brake is
applied when the ignition switch is in the “ON” position.
 The light does not come on even if the ignition switch is
turned on with the parking brake released.
A warning light turning on briefly during operation does not
indicate a problem.
CAUTION
If either of the following conditions occurs, immediately
stop your vehicle at a safe place and contact your Lexus
dealer.
 The light does not turn off even after the parking
brake is released while the engine is running.
In this case, the brakes may not work properly and
your stopping distance will become longer. Depress
the brake pedal firmly and bring the vehicle to an
immediate stop.
 The brake system warning light remains on together
with the “ABS” warning light.
In this case, not only the antilock brake system will
fail but also the vehicle will become extremely
unstable during braking.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
87
At this time, vibration may occur. However, if you depress the
accelerator pedal more firmly and slowly, you can drive your
vehicle at low speeds. Have your Lexus checked by your
Lexus dealer as soon as possible.
Even if the abnormality of the electronic throttle control system
is corrected during low speed driving, the system may not be
recovered
until the engine is stopped and the ignition switch is
turned to “ACC” or “LOCK” position.
Emissions inspection and maintenance (I/M) programs
Your vehicle may not pass a state emission inspection if the
malfunction indicator lamp remains on. Contact your Lexus
dealer to check your vehicle’s emission control system and
OBD (On −Board Diagnostics) system before taking your
vehicle for the inspection.
For details, see “Emissions inspection and maintenance (I/M)
programs” on page 431.
(g) Master Warning Light
If any system malfunctions, this warning light comes on or
flashes together with a warning tone, and a warning message
appears in the multi−information display. When the cause of
the problem is eliminated, the warning tone and message on
the display will turn off.
(h) “ABS” Warning Light
The light comes on when the ignition switch is turned to the
“ON” position. If the anti−lock brake system and the brake
assist system work properly, the light turns off after a few
seconds. Thereafter, if either of the systems malfunctions, the
light comes on again.
When the “ABS” warning light is on (and the brake system
warning light is off), the anti −lock brake system, the brake
assist system, the traction control system and/or the vehicle
stability control system do/does not operate, but the brake
system still operates conventionally.
When the “ABS” warning light is on (and the brake system
warning light is off), the anti− lock brake system does not
operate so that the wheels could lock up during a sudden
braking or braking on slippery road surfaces.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
88If any of the following conditions occurs, this indicates a
malfunction
somewhere in the components monitored by
the warning light system. Contact your Lexus dealer as
soon as possible to service the vehicle.
 The light does not come on when the ignition switch is
turned to the “ON” position, or remains on.
 The light comes on while you are driving.
A warning light turning on briefly during operation does not
indicate a problem.
CAUTION
If the “ABS” warning light remains on together with the
brake system warning light, immediately stop your
vehicle at a safe place and contact your Lexus dealer.
In this case, not only the antilock brake system will fail
but also the vehicle will become extremely unstable
during braking.
(i) Open Door Warning Light
This light remains on until all the doors are completely closed.
(j) Low Fuel Level Warning Light
This light comes on when the fuel level in the tank becomes
very low. Fill the tank as soon as possible.
On inclines or curves, due to the movement of fuel in the tank,
the low fuel level warning light may come on earlier than usual.
(k) Key Reminder Buzzer
This buzzer acts as a reminder to remove the key when you
open the driver’s door with the ignition key in the “ACC” or
“LOCK” position.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
94
(c) Warning messages
13L148
W40W253
When the engine oil pressure becomes too low, the
master warning light comes on, a warning tone sounds
and the above message appears.
If this message appears while you are driving, pull off the road
to a safe place and stop the engine immediately. Call a Lexus
dealer or qualified repair shop for assistance.
The message may appear when the oil level is extremely low.
It is not designed to indicate low oil level, and the oil level must
be checked using the oil level dipstick.
NOTICE
Do not drive the vehicle while this warning message is
displayed even for one block. It may ruin the engine.
W41W254
When your brake pads have worn down enough to require
replacement, the master warning light flashes and a
warning tone sounds and the above message appears.
If this message appears while you are driving, have the brake
pads checked and replaced by your Lexus dealer as soon as
possible.
W50W255
When the engine oil level is too low, the master warning
light flashes, a warning tone sounds, and the above
message appears.
Add oil as soon as possible. (For instructions, see “Checking
the engine oil level” on page 452.)
While driving on steep inclines or rough roads which causes
the vehicle to substantially sway or on curves, this message
may appear due to the movement of engine oil in the engine.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
99
w267
When the air conditioning filter should be replaced, the
master warning light comes on, a warning tone sounds
and the above message appears.
If the “Change A/C Filter” appears on the multi−information
display, change the air conditioning filter as soon as possible
because the air filter might have clogged. See “Replacing the
air conditioning filter” on page 249 for details.
w268
If you push the “OFF” button for the front air conditioning
for about more than 4 seconds after the replacement of the
air conditioning filters, the above message appears and
the attention tone sounds to inform you that the data has
been reset.
When you push the “OFF” button for the front air conditioning
for more than 4 seconds before “Change A/C Filter” appears,
the data will be cleared. Do not reset the data before this
message appears.
w500
If you push the ignition switch or insert the smart key, and
hold the switch or key in the “LOCK” position for more
than 3 seconds, the master warning light comes on, a
warning tone sounds and the above message appears.
If you release the switch or key, or turn to “ACC”, all the warning
will turn off. If it is difficult to turn the switch or key, be sure to
push the switch or key while turning the steering wheel slightly
in either direction, and then turn the switch or key.
w271
If the interlock cable for steering lock is faulty, the master
warning light flashes, a warning tone sounds and the
above message appears.
If the above message appears, contact your Lexus dealer as
soon as possible.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
100
w272
In the following cases, the master warning light flashes, a
warning tone sounds and the above message appears.
A smart key is not detected in the vehicle when you push the
ignition switch. In this case, the above message appears for
5 seconds.
 A smart key is not detected in the vehicle because someone
has taken a smart key outside of the vehicle without turning
off the ignition. At this time, the smart key sounds an alarm.
The above message turns off if you turn the ignition off or the
smart key system detects a smart key in the vehicle.
In addition to either of the above conditions, if you get out from
the vehicle, having a smart key when the ignition switch is in
the “ACC” or “ON” position and the selector lever is in a posit\
ion
other than “P”, “Shift to P Range” and “Key is not Detected”\
appear alternately.
w273
If you get out from the vehicle, having a smart key when
the ignition switch is in the “ACC” or “ON” position and
the selector lever is in a position other than “P”, the
master warning light flashes, a beep sounds inside the
vehicle and the above message appears. When you shift
the selector lever to the “P” position or start driving, the
beeping stops sounding, the above message turns off.
In addition to the above condition, if the smart key system does
not detect a smart key in the vehicle, “Shift to P Range” and
“Key is not Detected” appear alternately.
w274
If the smart key system determines that the electronic
code of the detected key does not correspond to the
registered ID when you push the ignition switch or lock
button on the outside door handle, the master warning
light flashes, a warning tone sounds and the above
message appears for 5 seconds.

GAUGES, METERS AND SERVICE REMINDER INDICATORS
108
13L150
To rectify the deviation, stop the vehicle, and push and hold the
“RESET” button on the steering pad for more than 6 seconds.
“DRIVE IN CIRCLES” appears on the display. Perform the
following calibration.
CAUTION
Do not adjust the display while the vehicle is moving.
Be sure to adjust the display only when the vehicle is
stopped.
13L155
Drive the vehicle slowly (at 8 km/h (5 mph) or lower) in a circle
until the direction is displayed. If there is not enough space to
drive in a circle, drive around the block until the direction is
displayed.
After driving in 1 to 3 circles in the above method, calibration
is complete with the direction shown on the display.
If calibration cannot be performed because the vehicle is
magnetized, take your vehicle to a Lexus dealer.
If you want to cancel the calibration before it is complete, push
and hold the “RESET” button on the steering pad more than 6
seconds. To calibrate the compass again, push and hold the
same but ton more than 6 seconds. After “DRIVE IN CIRCLES”
appears on the display, follow the calibration procedure above.
Perform circling calibration just after you have purchased
your Lexus. And then always perform circling calibration
after the battery has been removed, replaced or
disconnected.

SECTION 1 – 4
111
INSTRUMENTS AND CONTROLS
Interior equipment
Sun visors11 2
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Interior lights 11 2
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Personal lights 11 4
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Ignition switch light 11 5
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Foot lights 11 6
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Clock 11 6
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Outside temperature display 11 7
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Cigarette lighter and ashtray 11 9
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Power outlets 120
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Rear console box 121
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Glove box 122
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Garage door opener 122
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Cupholders 126
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Coin box 127
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Overhead console box 128
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Auxiliary boxes 129
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Trunk storage extension 131
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Card holder 133
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Penlight 133
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Cool box 134
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Floor mat 135
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Coat hooks 136
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Sunshades 137
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Luggage net 139
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First−aid kit net 140
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