tire LEXUS LS430 2006 Owners Manual

TABLE OF CONTENTS
1Before drivingAdjusting and operating features such as door locks, mir-
rors, and steering column.
2When drivingDriving, stopping and safe-driving information.
3Interior featuresAir conditioning and audio systems, as well as other 
interior features for a comfortable driving experience.
4Maintenance
and careCleaning and protecting your vehicle, performing do-it-
yourself maintenance, and maintenance information.
5When trouble
arisesWhat to do if the vehicle needs to be towed, gets a flat tire,
or is involved in an accident.
6Vehicle 
specificationsDetailed vehicle information.
7For US ownersReporting safety defects for US owners
IndexAlphabetical listing of information contained in this 
manual.

TABLE OF CONTENTSIndex
Refreshing rear seat 
switches ......................................... 222
Coat hooks ..................................... 223
Floor mats........................................ 224
Sunshades ....................................... 225
Trunk features................................ 227
Garage door opener .................. 232
Compass (vehicles without 
navigation syst em)
................... 238
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 requ irements
.... 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
5-1. Essential information .............. 320 If your vehicle needs to be 
towed............................................. 320
If you think something is 
wrong ............................................. 324
Fuel pump shut off system ........ 325
Event data recorder .................... 326
5-2. Steps to take in an 
emergency .............................. 328
If a warning light turns on... ...... 328
If a warning message 
appears.......................................... 334
If you have a flat tire..................... 347
If the engine will not start ......... 353
If the transmission selector 
lever cannot be shifted 
from P............................................. 354
If you lose your keys ................... 355
4Maintenance and care
5When trouble arises

1
2
3
4
5
6
7
If the vehicle has a discharged 
battery............................................ 356
If your vehicle overheats ........... 359
If the vehicle beco mes s
tuck .... 361
6-1. Specifications............................ 364 Maintenance data ........................ 364
Fuel information ............................ 373
Tire information............................. 376
6-2. Owner’s customize ................. 384 Customizable features ............. 384
Initializing your Lexus
................. 387
Reporting safety defects for 
US owners................................... 390
Alphabetical index....................... 392
What to do if... ............................... 400
6Vehicle specifications
7For US owners
Index

Doors P.15
Rear window defogger
P.170
Trunk P.227
Tire
Rotation
Replacement
Inflation pressure
Information
P.278
P.347
P.283
P.376
Turn signal light (rear)
P.101
If equipped

A
B
Rear view mirror adjusting switch P.43
Rear view mirror folding switch P.43
Windshield wipers and washer switch P.114
Cruise control switch P.126
If equipped
Instrument panel light control knob P.104
Head light and turn signal light switch P.101
Tilt and telescopic steering
control switch
P.40
Adaptive front lighting system
cancel switch
P.112
Lexus park assist system switch P.118
Parking brake release lever P.102
Trunk opener P.19
Hood lock release lever P.260
Trunk opener main switch P.19
Fuel filler door opener P.51
Parking brake pedal P.102
Ignition switch P.94
Volume adjust knob P.7
Key cancel switch P.7
Tire pressure warning system reset switch P.279

93
2-1. Driving procedures
2
When driving
NOTICE
■Avoiding damage to vehicle parts
●Do not turn the steering wheel fully in either direction and hold it there for a long
time. Doing so may damage the power steering pump.
●When driving over bumps in the road, drive as slowly as possible to avoid damag-
ing the wheels, underside of the vehicle, etc.
■If you hear a squealing or scraping no ise (brake pad wear limit indicators)
Have your Lexus dealer check and replace the brake pads as soon as possible.
Exp
ensive rotor damage can result if the pads are not replaced when needed.
■If a malfunction is detected while driving
A flat or damaged tire may c
ause the following situations. Hold the steering wheel
firmly and gradually press the brak e pedal to slow down the vehicle.
• It may be difficult to control your vehicle.
• The vehicle will make abnormal sounds.
• The vehicle will behave abnormally.
Replace a flat tire with a new one. ( P.
3 4 7 )

142
2-4. Using other driving systems
CAUTION
Any of the following conditions may result in-an accident which could cause death
or serious injury:
■The ABS may not operate effectively when:
●The limits of tire gripping performance have been exceeded.
●If the vehicle hydroplanes while driving at high speed while the road is wet or
slick.
■Stopping distance when the ABS is activated will exceed that of normal condi -
tions
The ABS is not designed to shorten the v
ehicle’s stopping distance. Always main -
tain a safe distance between you and the vehicle in front of you, particularly in the
fo
llowing situations.
• When driving on dirt, gravel or snow-covered roads
• When driving with tire chains
• When driving over bumps in the road
• When driving over roads with potholes or uneven roads
• When towing a trailer
■TRAC may not operate effectively when:
Directional control and power may not be ac hi
evable while driving on slippery road
surfaces, even if the TRAC system is operating. 
Do not drive the vehicle in conditions where control and power may be lost.
■When the slip indicator flashe s and a warning buzzer sounds
This situation occurs immediately before VSC is activated. Always drive carefully.
R
eckless driving may cause an at the recommended level. 
Exercise particular care when an indicator light flashes and a buzzer sounds.
■Replacing tires
Ensure that all tires are the same size an d
brand, have the same tread pattern, and
that the level of tire pressure is at the recommended level. 
The ABS and VSC systems may not operate no rmal
ly if different tires are installed
to the vehicle. 
Contact your Lexus dealer for further info rmati
on when replacing tires or wheels.

148
2-5. Driving information
Vehicle load limits
■Total load capacity and seating capacity
These are also described on the tire and loading information label. ( P. 2 8 3 )
CAUTION
■Overload
Do not apply excess load. 
It may cause not only damage to the tires, but also
deterioration of steering ability
and braking ability, resu lting in an accident.
Vehicle load limits include total load ca pacity, seating capacity, towing capac-
ity and cargo capacity.
■ Total load capacity: 900 lb. (410 kg)
Total load capacity means the comb ined w
eight of occupants, cargo
and luggage.
■ Seating capacity: T
otal 5 (Front 2, Rear 3)
Seating capacity means the maxi mum number of occupants whose
estimated a
verage weight is 150 lb. (68 kg) per person.
Even if the number of occupants ar e within the seating capacity, do not
exceed the total load capacity.
■ Towing capacity: 2000 lb. (907 kg)
Towing capacity means the maximum gross trailer weight (trailer
w

eight plus its cargo weight) that your vehicle is able to tow.
■ Car
go capacity
Cargo capacity ma y incr
ease or decrease depending on the weight
and the number of occupants. ( P.145 )

149
2-5. Driving information
2
When driving
Winter driving tips
Carry out the necessary preparations and inspections before driving the
vehicle in winter. Always drive the vehicle in a manner appropriate for the
prevailing weather and roadway conditions.
■ Pre-winter preparations
●Use fluids appropriate to the p revailing outside temperatures.
• Engine oil
• Engine coolant
• Washer fluid
●Inspect the level and specific gravity of battery electrolyte.
●Have the vehicle fitted with four sno w tires or purchase a set of tire
chains for the rear tires.
Ensure that all tires are the same si
ze and brand, and that chains
match the size of the tires.
■ Befor
e driving the vehicle
Perform the following steps acco r
ding to the driving conditions.
●Do not forcibly try to open a window or move a wiper that has fro-
zen. Pour some warm water over the frozen area to melt the ice. 
Wipe away the water immediately to pr
event it from freezing.
●To ensure proper operation of the climate control system fan,
remove any snow that has accumulated on the air inlet vents in front
of the windshield.
●Remove any ice that has accumulated on the vehicle chassis.
●Periodically check for and remove any excess ice or snow that may
accumulate in the wheel well or brakes.

150
2-5. Driving information
Regulations on the use of snow chains
●Regulations regarding the use of tire chains vary according to location
and type of road. Alwa ys check local regulations before installing
chains.
●Use SAE Class “S” type radial tire chains, with the exception of radial
cable chains or V-bar type chains.
• Install the chains on the rear tires.
• Refer to the explanation that comes with the tir
e chains for installa-
tion instructions.
●Retighten chains after driving 1 /4 - 1 /2 mile (0.5 - 1.0 km).
■If the chains are installed
The tire pressure warning system may not operate properly.
■Tire chain installation
Observe the following installation, removal and care precautions.
• Install and remove tire chains in a safe location.
• Install tire chains on the rear tires only. Do not install tire chains on front tir
es.
• Install the tire chains on rear tires as tightly as possible. Retighten chains af
ter driving 1 /4 - 1 /2 mile (0.5 - 1.0 km).
• Install tire chains following the inst ructions pr
ovided with the chains.
■When driving the vehicle
Accelerate the vehicle slowly and driv e at a reduced speed suitable to
road conditions.
■ When parking the v
ehicle
The parking brake may freeze up, prev enting it fr
om being released.,
Place the selector lever in P and park the vehicle without applying the
parking brake.