air conditioning LEXUS LS430 2005 Owner's Guide

AIR CONDITIONING
254
Rear vents
21L015a
The rear vents may be opened or closed as shown.
REAR AIR CONDITIONINGCONTROLS
21L194
 1Rear air vent 2Auto button 3Off button
4LO HI A/C button

AIR CONDITIONING
255
These
are the controls added to the front air conditioning when
your vehicle is equipped with a rear air conditioning. The
controls for the rear passengers and for the front passengers
both work the same, so operation can be made with the
controls on either panel.
(a) Controls and Functions
This rear air conditioning is equipped with dustproof and
deodorant filter with photocatalyst. When light in the
xenon tube (ultraviolet rays) hits the filter, odious
ingredients adsorbed in the filter are oxidized and
decomposed to deliver clean air in the interior.
REAR AIR CONDITIONING ONOFF
Push the “AUTO” button to turn the air conditioning on,
and push the “OFF” button to turn it off.
AIR FLOW CONTROL
The mode changes every time the “LO HI A/C” button is
pushed.
AUTO mode − Turns the fan operation to automatic.
LO speed mode − Turns the fan at low speed.
HI speed mode − Turns the fan at high speed.
(b) Rear Cooling
1. Turn the front air conditioning on. The rear cooler will not
turn on if the front air conditioning is off.
2. Turn the rear air conditioning on. The fan speed and rear
cooler are adjusted automatically.
3. Use either of the “LO HI A/C” buttons to adjust the desired
fan speed and the rear cooler. Each indicator light shows
which mode is now selected.
(c) Air Purifier
The air purifier operates whenever the rear air conditioning or
the rear fan operation is on, regardless of front air conditioning
activation.

AIR CONDITIONING
256
(d) Replacing the photocatalyst filter for therear seats
This rear air conditioning is equipped with dustproof and
deodorant filter with photocatalyst.
Replace the air filter when the use of rear air conditioning or air
purification function reduces air flow or deodorant
performance.
This filter is an interchangeable type. Do not clean the filter by
washing or air blowing. The use of filter after washing or
cleaning may cause a malfunction of the system. Be sure to
replace it with a new one.
The filter is located in the trunk.
Replace the filter using the following procedures.
1. Be sure to turn the ignition switch to “LOCK”.
21L210
 1 Air purifier 2Filter cover
2. Open the trunk and remove the filter cover in the trunk.
21L211
 1 Filter case 2Filter
3. Pull out the filter case toward you.
4. Replace the filter.
When you install the filter, face the filter surface (gray)
downward and fit the filter folds properly in the case as shown.
5. Install the filter in the reverse order of removal.
The gray surface in the filter may turn to yellow (yellow spots)
because of ultraviolet rays included in the light, however it is
no problem for use.

AIR CONDITIONING
257
When the ignition switch is turned on, the xenon tube comes
on even if the rear air conditioning or rear fan is not operating.
This
does not indicate a malfunction but is required for the long
use of the photocatalyst.
NOTICE
 Do not look into the xenon tube in the air purifier
through the filter slot and do not expose your skin
directly to the light in the xenon tube also. Although
the xenon tube scarcely issues less than 300nm
ultraviolet rays which are thought harmful for the
human body, some people may have symptoms such
as eye sore, vision trouble, skin inflammation, etc.
 Do not disassemble the air purifier , or it may cause a
malfunction. As some part in the purifier is under
high voltage, you may get an electric shock when you
touch it.
 The filters should be installed properly in position.
The use of rear air conditioning controls with the filter
removed may cause the malfunction of the rear air
conditioning controls.
 Turn on the air conditioning with a filter in position.
The activation without an filter may not only cause a
malfunction of the system but also dirty the interior
by spouting dust.

AIR CONDITIONING
258

SECTION 2 – 2
259
AIR CONDITIONING AND AUDIO
Audio
Audio system260
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. . . . . . .
For vehicles equipped with Navigation System,
please refer to the separate “Navigation System
Owner’s Manual”.

AUDIO
291
Use high−
quality cassettes:
 Low −quality cassette tapes can cause many problems,
including poor sound, inconsistent playing speed, and
constant auto− reversing. They can also get stuck or
tangled in the cassette player.
 Do not use a cassette if it has been damaged or tangled or
if its label is peeling off.
 Do not leave a cassette in the player if you are not listening
to it, especially if it is hot outside.
 Store cassettes in their cases and out of direct sunlight.
 Avoid using cassettes with a total playing time longer than
100 minutes (50 minutes per side). The tape used in these
cassettes is thin and could get stuck or tangled in the
cassette player. Caring for your CD player and CDs

Your CD player is intended for use with 12 cm (4.7 in.) CDs
only.
 Extremely high temperature can keep your CD player from
working. On hot days, use air conditioning to cool the
vehicle interior before you listen to a CD.
 Bumpy roads or other vibrations may make your CD player
skip.
 If moisture gets into your CD player, you may not hear any
sound even though your CD player appears to be working.
Eject all CDs from the player and wait until the player dries.
CAUTION
CD players use an invisible laser beam which could
cause hazardous radiation exposure if directed outside
the unit. Be sure to operate the player correctly.

DRIVING TIPS
391

Because of the added load of the trailer, your vehicle’s
engine may overheat on hot days (at temperatures over
30 C [85 F]) when going up a long or steep grade with a
trailer. If the engine coolant temperature gauge indicates
overheating, immediately turn off the air conditioning (if in
use), pull your vehicle off the road and stop in a safe spot.
See “If your vehicle overheats” on page 404.
 Always place wheel blocks under both the vehicle and trailer
wheels when parking. Apply the parking brake firmly. Put
the transmission in “P”. Avoid parking on a slope with a
trailer, but if it cannot be avoided, do so only after performing
the following:
1. Apply the brakes and keep them applied.
2. Have someone place wheel blocks under both the vehicle
and trailer wheels.
3. When the wheel blocks are in place, release your brakes
slowly until the blocks absorb the load.
4. Apply the parking brake firmly.
5. Shift into “P” and turn off the engine. When restarting out after parking on a slope:
1. With the transmission in “P” position, start the engine. Be
sure to keep the brake pedal depressed.
2. Shift into the “3” (third range), “2” (second range), “\
1” (first
range) or “R” position.
3. Release the
parking brake and brake pedal and slowly pull
or back away from the wheel blocks. Stop and apply your
brakes.
4. Have someone retrieve the blocks.
CAUTION
 Do not exceed 72 km/h (45 mph) or the posted towing
speed limit, whichever is lower. Because instability
(swaying) of a towing vehicletrailer combination
usually increases as the speed increases, exceeding
72 km/h (45 mph) may cause loss of control.
 Slow down and downshift before descending steep
or long downhill grades. Do not make sudden
downshifts.
 Avoid holding the brake pedal down too long or too
frequently. This could cause the brakes to overheat
and result in reduced braking efficiency.

IN CASE OF AN EMERGENCY
405
B: If no steam is coming from your engine:
Leave the engine running and turn off the air conditioning.
Check the following.

Is the cooling fan operating?
 Is the coolant in the acceptable range?
 Is the engine drive belt O.K.?
CAUTION
When the engine is running, keep hands and clothing
away from the moving fan and engine drive belt.
 Do not attempt to remove the radiator cap when the
engine and radiator are hot. Serious injury could
result from scalding hot fluid and steam blown out
under pressure.
If the cooling fan is not operating or the coolant is not in the
acceptable range, turn off the engine and call your Lexus
dealer.
If both conditions are O.K., after the engine coolant
temperature has cooled to normal, continue driving your
vehicle.
If the engine coolant temperature does not cool down, or your
vehicle overheats again, have it checked as soon as possible
by your Lexus dealer.
IF YOU HAVE A FLAT TIRE
1. Reduce your speed gradually, keeping a straight line.
Move cautiously off the road to a safe place − well away
from the traffic. Avoid stopping on the center divider of
a highway. Park on a level spot with firm ground.
2. Stop the engine and turn on your emergency flashers.
3. Firmly set the parking brake and put the transmission
in “P”.
4. Have everyone get out of the vehicle on the side away
from traffic.
5. Read the following instructions thoroughly.
CAUTION
When jacking, be sure to observe the following to
reduce the possibility of personal injury:
 Follow jacking instructions.
 Do not put any part of your body under a vehicle
supported by a jack. Otherwise, personal injury
may occur.
 Do not start or run the engine while your vehicle
is supported by the jack.

MAINTENANCE
430
Tire rotation
Rotate the tires according to the maintenance schedule.
(For scheduled maintenance information, please refer to
the “Owner’s Manual Supplement / Scheduled
Maintenance”.) See page 480 for additional information.DOES YOUR VEHICLE NEED
REPAIRING?
Be on the alert for changes in performance and sounds, and
visual tip −offs that indicate service is needed. Some important
clues are:
 Engine missing, stumbling, or pinging
 Appreciable loss of power
 Strange engine noises
 A fluid leak under the vehicle (However, water dripping from
the air conditioning after use is normal.)
 Change in exhaust sound (This may indicate a dangerous
carbon monoxide leak. Drive with the windows open and
have the exhaust system checked immediately.)
 Flat−looking tires, excessive tire squeal when cornering,
uneven tire wear
 Vehicle pulls to one side when driving straight on a level
road
 Strange noises related to suspension movement
 Loss of brake effectiveness, spongy feeling brake pedal,
pedal almost touches floors, vehicle pulls to one side when
braking
 Engine coolant temperature continually higher than normal
If you notice any of these clues, take your vehicle to your Lexus
dealer as soon as possible. It probably needs adjustment or
repair.