2006 LEXUS LS430 air conditioning

171
3-1. Using the air conditioning system and defogger
3
Interior features
■Window defogger feature
The automatic air conditioning control system detects the operating conditions of
the s

ystem and automatically switches between recirculated and outside air modes.
■Outside rear view mirror heaters
Pressing the rear window defogger button also turns the mirror heaters on.
CAUTION
■When the defogger is on
Do not touch the rear view mirror surfaces, as the surfaces can become very hot
and burn y
ou.
Vehicles with navigation system
ON/OFF
Push the button to turn the rear wind ow defogger on. The defogger will auto -
matically turn off after approximately 15 minutes or if you push the button again.

172
3-1. Using the air conditioning system and defogger
Rear air conditioning controls
Using the automatic mode
Push or .
If the front air conditioner is switched off, only the fan, not the cooling,
will operate.
Adjust the temperature setting using .
The temperature of front seats will also change.
Rear side vents
Turning the knob fully back closes
the air outlets.
Auto
The air purifier system will function
automatically.
Off
Air flow control
Child lock button
1
2
3
4
5

173
3-1. Using the air conditioning system and defogger
3
Interior features
Adjusting the setting
■Adjusting the temperature setting 
Use .
Press “ ” to increase the temperature and “ ” to decrease the temper -
ature.
■ Changing the air flo
w mode
Push . Pushing the button changes the mode in the following
order:
Auto  Lo speed  High speed
■Child lock function
●Press the switch for longer than 5 seconds t o turn the child lock function
on. This will disable the rear controls.
●To turn the child lock function off, once again press and hold the switch for
more than 5 seconds.
■Replacing the rear air conditioning filter
Replace the air filter when the use of rear air conditioning or air purification reduces
air

flow or deodorizing performance. ( P. 2 9 5 )

229
3-5. Other interior features
3
Interior features
Cool box
■Keeps canned drinks cool whenever the rear air conditioning system
is on
Pull down the center armrest in the
re
ar seat.
Pull the lever.
■ T
o use as a storage compartment
Close the cool air intake lid to turn
of
f the cool box system.

4Maintenance and care
243
4-1. Maintenance and care ........ 244
Cleaning and protecting the  vehicle exterior ........................ 244
Cleaning and protecting the  vehicle interior ......................... 247
4-2. Maintenance .......................... 250 Maintenance requirements.. 250
General maintenance............. 252
Emission inspection and 
maintenance (I/M) 
programs.................................... 255 4-3. Do-it-yourself

maintenance ......................... 256
Do-it-yourself service 
precautions .............................. 256
Hood.............................................. 260
Positioning the jack .................... 261
Engine compartment ............... 262
Tires ................................................. 278
Tire inflation pressure .............. 283
Wheels ........................................... 287
Air conditioning filters
............ 289
Wireless remote control  battery ......................................... 295
Blade fuses .................................. 298
Cartridge fuses ......................... 309
Headlight aim................................ 311
Light bulbs ..................................... 313

258
4-3. Do-it-yourself maintenance
CAUTION
The engine compartment contains many mechanisms and fluids that many move
suddenly, become hot, or become electrically energized. To avoid death or serious
injury:
■When working in the engine compartment:
●Keep hands, clothing, and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, radiator, exhaust manifold and power steering
fluid reservoir, etc. right after driving as they may be hot. Oil and other fluids may
also be hot.
●Do not leave anything that may burn easily , such as paper or rags, in the engine
compartment.
●Do not smoke, cause sparks or expose an open flame to fuel or the battery. 
Fuel and battery fumes are flammable.
●Be extremely cautious when working on the battery. 
It contains poisonous and corrosive sulfuric acid.
■When the engine is running
Perform maintenance checks with adequate ventilation
■When working near the electric cooling fan or radiator grill:
Be sure the ignition is off. With the igni tion on, th
e electric cooling fan may automat-
ically start to run if the air conditioning is on and/
or if the coolant temperature is
high. ( P.262 )
■When working on or under the vehicle:
●Do not get under the vehicle with just the jack supporting it. 
Always use automotive jack stands or other solid supports.
●Use eye protection to prevent flying or falling material, fluid spray, etc. from get -
ting in your eyes.

289
4-3. Do-it-yourself maintenance
4
Maintenance and care
Air conditioning filters
The air conditioning filters must be changed regularly to maintain air condi-
tioning efficiency.
■ Front air conditioning filter
Turn the ignition switch to LOCK.
Open the glove box. Lift the partition
and remove it.
Push the levers and remove the cover.
Push up the levers and remove the fil -
ter cover.

290
4-3. Do-it-yourself maintenance
Remove the filter case.
Remove the air conditioning filter
from the filter case and replace it with
a new one.The  UP
marks shown on the filter
and the filter case should be point -
ing up.
Install the filter cover
Upper tabs
Lower tabs1
2