Lexus 2004 LS430 - Suspension and Chassis

Lexus 2004 LS430

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CHASSIS

497

SUSPENSION AND CHASSIS

CAUTION

Do not modify the suspension/chassis with lift kits,

spacers, springs, etc. It can cause dangerous handling

characteristics, resulting in loss of control.

Table of Contents

Gas Station Information1
Occupant Restraint Systems5
How to Use this Manual8
Table of Contents8
Instrument Panel10
Instrument Cluster14
Overhead Console18
Rear Armrest18
Seat and Steering Wheel19
Exterior View20
Basic Operation21
Driver's Seat22
Steering Wheel23
Automatic Transmission24
Selector Lever Position24
Operation of Selector Lever24
Headlight and Turn Signal Switch26
Wiper Switch27
Instruments and Controls29
Keys and Doors30
- Flat Keys31
- Starting the Engine Using a Flat Key35
- Engine Immobilizer System37
- Deactivation Using the Key38
- Smart Key System40
  - Alarms and Warning Messages41
  - Locking the Doors with Smart Key System45
  - Key Reminder Alarm46
  - Ignition On/Off Reminder Alarm47
  - Open Door Warning47
  - Unlocking the Door(S) with Smart Key System48
  - Adjusting the Volume of Beeps50
  - Changing the Doors to be Unlocked50
  - Unlocking the Trunk Lid with Smart Key System51
  - Battery Power Saving53
  - Deactivating the Smart Key System54
- Wireless Remote Control56
  - Locking/Unlocking the Doors58
  - Unlocking the Trunk Lid59
  - Operating the Windows and Moon Roof60
  - Sounding an Alarm60
  - Replacing the Battery (Key)62
- Doors66
  - Locking with Key66
  - Locking with Inside Lock Button67
  - Locking with Power Door Lock Switch68
  - Door Closer69
  - Locking with Rear Door Child-Protector69
- Theft Deterrent System70
  - Activating the Theft Deterrent System72
  - Testing the Theft Deterrent System72
  - Switches73
- Headlight Switch74
- Switches74
  - Daytime Running Light System75
  - Adaptive Front-Lighting System76
  - Automatic Headlight Leveling System76
- Headlight Dimmer and Turn Signal Switch77
- Fog Light Switch78
- Windshield Wiper and Washer Switch78
- Raindrop Detection Type80
- Headlight Cleaner Switch82
- Rear Window and Outside Rear View Mirror Defogger Switch83
- Power Window Switches84
  - Operating the Window Lock Switch85
  - Operating the Windows from Outside the Vehicle86
  - Jam Protection Function87
- Emergency Flasher Switch88
- Seat Heater Switches89
- Climate Control Seat Switches91
- Replacing the Air Filters94
- Refreshing Rear Seat Switches96
- Gauges, Meters and Service Reminder Indicators98
- Engine Coolant Temperature Gauge99
- Fuel Gauge99
Gauges, Meters and Service Reminder Indicators99
- Tachometer100
- Odometer and Trip Meter101
- Service Reminder Indicators and Warning Buzzers101
- Multi-Information Display109
- Compass124
- Calibrating the Compass125
- Instrument Panel Light Control128
- Interior Equipment130
- Interior Lights131
- Sun Visors131
Interior Equipment131
- Personal Lights133
- Ignition Switch Light134
- Clock135
- Foot Lights135
- Outside Temperature Display136
- Cigarette Lighter and Ashtray138
- Power Outlets139
- Rear Console Box140
- Garage Door Opener141
- Glove Box141
  - Programming the Homelink141
  - Programming a Rolling Code System142
  - Operating the Homelink143
  - Programming an Entrance Gate143
  - Programming Other Devices143
  - Reprogramming a Button143
  - Erasing the Entire Homelink (All Three Programs)144
- Cup Holders145
- Coin Box146
- Overhead Console Box147
- Auxiliary Boxes148
- Trunk Storage Extension150
- Card Holder152
- Penlight152
- Cool Box153
- Floor Mat154
- Coat Hooks155
- Sunshades156
- Rear Electric Sunshade157
- Luggage Net158
  - Manual Sunshades158
  - Securing the Luggage on the Floor158
- First-Aid Kit Net159
- Exterior Equipment160
- Hood161
Exterior Equipment161
- Trunk Lid162
- Fuel Tank Cap165
- Moon Roof167
- Operating the Moon Roof from Outside the Vehicle168
- Front Seats173
Occupant Restraint Systems173
- Adjusting Front Seats175
- Seat Adjustment Precautions175
- Adjusting Seat Cushion Length176
- Adjusting Seat Position176
- Adjusting Seatback Angle177
- Adjusting Lumbar Support178
- Adjusting Seat Cushion Angle and Height178
- Adjusting Front Passenger’s Seat from the Driver's Seat180
- Adjusting Rear Power Seats181
- Rear Seats181
- Returning the Rear Seats and Rear Head Restraints from the Front Seats182
- Armrest183
- Head Restraints184
- Seat Belt Precautions187
- Seat Belts187
  - Front Seat Belt Buckle Illumination188
  - Fastening Front and Rear Seat Belts189
  - Seat Belt Comfort Guides191
  - Seat Belt Extender192
  - Seat Belt Pretensioners195
- SRS Driver Airbags and Front Passenger Airbags198
- SRS Side Airbags and Curtain Shield Airbags209
- Child Restraint218
  - Child Restraint System220
  - Types of Child Restraint System220
  - Infant Seat Installation222
  - Installation with 3-Point Type Seat Belt222
  - Convertible Seat Installation226
  - Booster Seat Installation231
  - Using a Top Strap234
  - To Use the Anchor Bracket235
  - Installation with Child Restraint Lower Anchorages236
  - Child Restraint System Installation237
- Driving Position Memory System239
  - Setting the Driving Position239
  - Recalling the Memorized Position240
  - Erasing the Previous Registration Memory241
  - Memory Call System Using a Smart Key241
  - Registering the Smart Key ID Code241
  - Memory Call System Using a Wireless Remote Control Key242
  - Registering the Wireless Remote Control Key ID Code242
- Rear Seat Position Memory System243
- Setting the Rear Seat Position243
- Door Opening Linked Seat Sliding Function244
- Steering Wheel and Mirrors246
- Tilt and Telescopic Steering Wheel247
- Adjustment of Steering Wheel Tilt247
Steering Wheel and Mirrors247
- Auto Tilt Away248
- Outside Rear View Mirrors249
- Steering Wheel and Mirrors249
  - Power Rear View Mirror Control250
  - Folding and Extending Automatic Rear View Mirrors251
  - Folding Rear View Mirrors251
  - Outer Foot Lights252
- Inside Rear View Mirror253
- Vanity Mirrors254
  - Air Conditioning256
  - Automatic Air Conditioning Controls257
  - Climate Control262
  - If Manual Switching of Air Intake Is Desired265
  - Windshield Defogging and Defrosting267
  - Replacing the Air Conditioning Filter268
  - Center Vents271
  - Side Vents272
  - Rear Air Conditioning Controls273
  - Rear Vents273
  - Air Purification274
  - Rear Cooling274
  - Replacing the Photocatalyst Filter for the Rear Seats275
  - Audio System279
  - Turning the Audio System on and off281
  - Using Your Audio System: some Basics281
  - Tone and Balance282
  - DSP Control283
  - Your Automatic Changer284
  - Your Cassette Player284
  - Your Radio Antenna284
  - Radio Operation286
  - Presetting a Station287
  - Selecting a Station288
  - RDS (Radio Data System)289
  - Radio Tex290
  - Radio Operation (XM Satellite Radio Broadcast)291
  - Presetting a Channel293
  - Selecting a Channel293
  - Channel Category294
  - Displaying the Title and Name295
  - If the Satellite Radio Tuner Malfunctions296
  - Cassette Tape Player Operation298
  - Automatic Program Selection299
  - Manual Program Selection299
  - Compact Disc Player Operation301
  - Inserting or Ejecting Compact Discs301
  - Playing a Compact Disc302
  - Searching for a Desired Track or Disc303
  - Selecting a Desired Disc303
  - Repeating a Track or a Disc304
  - Selecting a Desired Track304
  - If the CD Player Malfunctions305
  - Random Playing305
  - Rear Controller306
  - When the Radio Mode Is Selected306
  - Steering Pad Switches307
  - When the “CD” Mode Is Selected307
  - Car Audio System Operating Hints308
  - Radio Reception309
  - Caring for Your Compact Disc Player and Discs310
  - Use High-Quality Cassettes310
  - Starting and Driving314
- Starting and Driving315
- Three-Way Catalytic Converters315
- Engine Exhaust Caution316
- Before Starting the Engine317
- Smart Ignition System with Steering Lock317
- Ignition Switch with Steering Lock320
- Parking Brake321
- How to Start the Engine322
  - Automatic Transmission Operation323
  - Normal Driving324
  - Driving in “S” Mode326
  - Using Engine Braking328
  - Backing up330
  - Parking331
  - Good Driving Practice332
  - If You Cannot Shift the Selector Lever332
- Electronic Throttle Control System333
- Lexus Park Assist System334
  - Park Assist System Failure Warning337
  - Park Assist System Operating Hints338
- Rear View Monitor System340
- Area Displayed on Screen (Rear View Monitor)342
- Cruise Control344
  - Cancelling the Preset Speed345
  - Resetting to a Faster Speed345
  - Setting at a Desired Speed345
  - Cruise Control Failure Warning346
  - Resetting to a Slower Speed346
  - Resuming the Preset Speed346
- Dynamic Radar/Laser Cruise Control347
  - Changing the Dynamic Radar/Laser Cruise Control Mode349
  - Vehicle-To-Vehicle Distance Control Mode350
  - Dynamic Radar/Laser Cruise Control Operations351
  - Turning the System on (Dynamic Radar/Laser Cruise Control)357
  - Setting Operation (Dynamic Radar/Laser Cruise Control)358
  - Cancelling the Preset Speed (Dynamic Radar/Laser Cruise Control)359
  - Resetting to a Faster Speed (Dynamic Radar/Laser Cruise Control)361
  - Resetting to a Slower Speed (Dynamic Radar/Laser Cruise Control)361
  - Resuming the Preset Speed (Dynamic Radar/Laser Cruise Control)362
  - Changing Vehicle-To-Vehicle Distance364
  - Braking Control365
  - Approach Warning366
  - Millimeter Wave Radar Sensor367
  - Laser Radar Sensor368
  - Vehicle-To-Vehicle Distance Control Mode Failure Warning369
  - Conventional (Fixed Speed) Cruise Control Mode372
  - Conventional Cruise Control Mode Failure Warning377
- Electronically Modulated Air Suspension377
  - Vehicle Height Adjustment377
  - Damping Mode Selection379
- Traction Control System379
  - Traction Control off Mode380
  - “Check VSC” Warning Message381
- Vehicle Stability Control System382
  - Anti-Lock Brake System384
  - Brake Booster384
- Brake System384
  - Drum-In-Disc Type Parking Brake System386
  - Brake Assist System387
- Tire Pressure Warning System387
  - Low Tire Pressure Warning Message388
  - Tire Pressure Warning System Reset Switch389
  - Tire Pressure System Warning Message390
- Brake Pad Wear Limit Indicators391
- Pre-Collision Safety System391
  - Pre-Collision Sensor391
  - Pre-Collision Brake Assist System393
  - Pre-Collision Seat Belts (Front Seat Belts Only)393
  - Electronically Modulated Air Suspension Control394
  - Pre-Collision Safety Failure Warning394
  - Precaution for Pre-Collision Safety System395
  - Driving Tips398
- Break-In Period399
- Operation in Foreign Countries399
- Tips for Driving in Various Countries399
- Winter Driving Tips401
- Dinghy Towing402
- Trailer Towing403
  - Weight Limits403
  - Brakes and Safety Chains405
  - Hitches405
  - Break-In Schedule (Towing)406
  - Maintenance if You Tow a Trailer406
  - Pre-Towing Safety Check406
  - Trailer Lights406
  - Trailer Towing Tips407
  - When Restarting out after Parking on a Slope408
- How to Save Fuel and Make Your Vehicle Last Longer409
- Vehicle Load Limits410
- Cargo and Luggage411
  - Cargo Capacity411
  - Stowage Precautions411
  - Capacity and Distribution412
  - In Case of an Emergency416
- If Your Engine Stalls While Driving417
- If Your Vehicle will Not Start417
  - Jump Starting418
  - Starting a Flooded Engine418
- If You Cannot Increase Engine Speed421
- If Your Vehicle Overheats421
- If You Have a Flat Tire422
- Access to Spare Tire424
- If Your Vehicle Becomes Stuck432
- If Your Vehicle Needs to be Towed433
  - Towing Precautions433
  - Towing with a Wheel Lift Type Truck434
  - Using a Flat Bed Truck435
  - Towing with a Sling Type Truck436
  - Emergency Towing437
  - Emergency Towing Eyelet Precautions438
  - Tips for Towing a Stuck Vehicle438
  - Installing Towing Eyelet439
- If You Cannot Shift Automatic Transmission Selector Lever440
- Lexus Link System441
  - Automatic Notifications445
  - Manual Emergency Calling446
  - Other Services447
  - Door Locking/Unlocking by Link System448
  - Memo Record448
  - Link System Indicator and Warning Lights449
  - Audible Voice Prompts451
  - Voice Phrase: Explanation about Lexus Link System451
  - Link Transceiver Antenna453
- If You Lose Your Keys or Lock Yourself out454
- Maintenance456
- Maintenance Requirements457
- Engine Compartment458
- General Maintenance458
- Battery Care459
- Vehicle Interior Care459
- Vehicle Exterior Care460
- Does Your Vehicle Need Repairing?461
- Emissions Inspection and Maintenance (I/M) Programs462
Section 6 - Service Procedures and Specifications464
- Vehicle Identification465
- Theft Prevention Labels466
- Engine Compartment Overview467
- Do-It-Yourself Service Precautions468
- Parts and Tools470
- Positioning the Jack471
- Engine Servicing474
- Engine Specifications475
- Lubrication System Data476
- Cooling System Data477
- Electrical System Data477
- Ignition System Data477
- Fuel478
  - Gasoline Containing Detergent Additives478
  - Octane Rating478
  - Quality Gasoline478
  - Cleaner Burning Gasoline479
  - Gasoline Containing MMT479
  - Gasoline Quality479
  - Oxygenates in Gasoline479
- Fuel Pump Shut off System480
- Facts about Engine Oil Consumption481
- Used Engine Oil482
- Checking the Engine Oil Level483
  - Engine Oil Selection485
  - Oil Identification Marks485
- Checking the Engine Coolant Level486
- Coolant Type Selection487
- Checking the Radiator and Condenser488
- Spark Plugs488
  - Chassis Servicing490
  - Chassis Specifications491
  - Differential Data491
  - Automatic Transmission Data492
  - Brakes Data493
  - Steering Data493
  - Tires and Wheels Data494
- Checking Brake Fluid496
- Checking Power Steering Fluid497
- Checking Tire Inflation Pressure498
- Tire Information501
  - Tire Symbols501
  - DOT and Tire Identification Number (TIN)503
  - Tire Size503
  - Name of each Section of Tire504
  - Uniform Tire Quality Grading505
  - Glossary of Tire Terminology506
  - All Season Tires510
  - Summer Tires510
- Types of Tires510
- Rotating Tires511
- Checking and Replacing Tires512
- Tire Selection513
- Installing Snow Tires and Chains514
  - Snow Tire Selection514
  - Tire Chain Selection514
- Replacing Wheels515
- Wheel Selection515
- Aluminum Wheel Precautions516
- Suspension and Chassis517
  - Electrical Components Servicing519
  - Electrical Components Specifications520
  - Fuse Locations520
- Checking Battery Condition527
- Checking Battery Exterior528
- Battery Recharging Precautions530
- Checking and Replacing the Blade Type Fuses530
- Checking the Cartridge Type Fuses533
- Adding Washer Fluid534
- Checking the Headlight Aim535
- Replacing Light Bulbs536
  - Light Location537
  - Body Servicing541
  - Body Specifications542
  - Dimensions and Weights542
  - Fuel Tank Data542
- Protecting Your Vehicle from Corrosion543
- Washing and Waxing544
- Cleaning the Interior546

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