Lexus GX470 2004 - Spark Plugs

Lexus GX470 2004

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ENGINE

569

SPARK PLUGS

Your engine is fitted with iridium-tipped spark plugs.

NOTICE

Use only iridium-tipped spark plugs and do not adjust

gaps for your engine performance and smooth

drivability.

Table of Contents

Accessories, Spare Parts and Modification4
Installation of a Mobile Two-Way Radio System4
Spark Ignition System4
Tires and Loading on Your Lexus4
On-Pavement and Off-Road Driving Tips5
Table of Contents6
Safety Symbol7
Safety and Vehicle Damage Warnings8
Instrument Panel (Vehicles Without Navigation System)9
Pictorial Index10
Instrument Panel (Vehicles with Navigation System)11
Wiper and Washer Switch12
- Instrument Cluster13
- Seat and Steering Wheel17
- Exterior View18
- Basic Operation20
- Quick Reference20
- Driver’s Seat21
- Steering Wheel21
  - Telescopic Steering Wheel21
  - Tilt Steering Wheel21
- Automatic Transmission22
- Operation of Selector Lever22
- Headlight and Turn Signal Switch23
- Wiper Switch24
- Selector Lever Position22
- Front24
- Raindrop Detection Type24
- Rear25
- Instruments and Controls26
Keys and Doors27
- Flat Key28
- Starting the Engine Using a Flat Key28
- Engine Immobilizer System33
- Wireless Remote Control34
- Side Doors41
- Back Door46
- Theft Deterrent System48
- Headlight Switch52
Switches52
- Daytime Running Light System53
- Headlight Dimmer and Turn Signal Switch55
- Fog Light Switch56
- Windshield Wiper and Washer Switch56
- Rear Window Wiper and Washer Switch62
- Rear Window Defogger Switch64
- Outside Rear View Mirror Defogger Switch66
- Operating the Switches67
- Power Window Switches67
- Emergency Flasher Switch70
- Seat Heater Switches72
- Jam Protection Function69
- Gauges, Meters and Service Reminder Indicators75
- Fuel Gauge76
Gauges, Meters and Service Reminder Indicators76
- Low Fuel Level Warning Light76
- Engine Coolant77
- Normal Range77
- Temperature Gauge77
- Tachometer79
- Odometer and Trip Meter80
- Trip Meter Reset Knob80
- Service Reminder Indicators and Warning Buzzers81
- Brake System Warning Light and Buzzer83
- Driver’s Seat Belt Reminder Light and Buzzer84
- Front Passenger’s Seat Belt Reminder Light84
- Malfunction Indicator Lamp85
- SRS Warning Light85
- “ABS” Warning Light86
- Open Door Warning Light87
- Unengaged “Park” Warning Light87
- Automatic Transmission Fluid Temperature Warning Light88
- Discharge Warning Light89
- “KDSS” Warning Light (Vehicles with Kinetic Dynamic Suspension System)89
- “VSC TRAC” Warning Light89
- Low Engine Oil Pressure Warning Light90
- Engine Oil Replacement Reminder Light91
- Low Tire Pressure Warning Light91
- How to Check All the Service Reminder Indicators92
- Key Reminder Buzzer92
- Low Washer Fluid Warning Light92
- Multi-Information Display94
- Adjusting the Brightness of the Display95
- Outside Temperature and Cruise Information96
- Outside Temperature97
- Average Fuel Consumption98
- Instantaneous Fuel Consumption99
- Driving Range100
- Average Vehicle Speed101
- Barometer102
- Altimeter103
- Rectification of the Altitude103
- Elapsed Time104
- Instrument Panel Light Control105
- Cigarette Lighter106
- Interior Equipment106
- Interior Lights107
- Sun Visors107
Interior Equipment107
- To Turn on the Interior Light108
- Illuminated Entry System109
- Personal Lights109
- Cigarette Lighter and Ashtray111
- 12 VDC112
- Power Outlets112
- Glove Box115
- Rear Console Box116
- To Access the Rear Console Box116
- Garage Door Opener117
- Cup Holders121
- Overhead Console Box123
- Auxiliary Box125
- First-Aid Kit Holder125
- Floor Mat126
- Coat Hooks127
- Warning Reflector Holder127
- Luggage Cover128
- Hood131
Exterior Equipment131
- Fuel Tank Cap132
- Moon Roof135
- Operating the Moon Roof from Outside the Vehicle136
- Quarter Windows138
- Roof Luggage Carrier138
- Adjusting the Position of Cross Rails139
- Rear Step Bumper141
- Occupant Restraint Systems143
- Front Seats144
Occupant Restraint Systems144
- Front Passenger Seat145
- Front Seats (with SRS Side Airbags)145
- Seat Adjustment Precautions146
- Adjusting Front Seats147
- Adjusting Seat Position147
- Move the Control Switch in the Desired Direction147
- Adjusting Seat Cushion Angle and Height148
- Adjusting Seatback Angle148
- Adjusting Lumbar Support149
- Rear Seat Precautions149
- Rear Seats149
  - Adjusting Rear Seats150
  - Tumbling Second Seat (for Third Seat Entry)151
  - Folding up Third Seats154
  - Removing Third Seats159
  - Seat Belt Hanger159
- Head Restraints165
  - Second and Third Seats166
  - Stowing the Third Center Head Restraint166
- Armrests167
  - Second Seat168
  - Seat Belt Precautions169
- Seat Belts169
  - Fastening Front, Second and Third Seat Belts171
  - Adjust the Position of the Lap and Shoulder Belts172
  - Adjust the Shoulder Anchor Position to Your Size172
  - Third Center Seat Belt173
  - Pulling out the Third Center Seat Belt175
  - Stowing the Third Center Seat Belt175
  - Hanging the Third Outside Seat Belts176
  - Stowing the Second and Third Seat Belt Buckles176
  - Seat Belt Extender177
  - Seat Belt Pretensioners179
- SRS Driver Airbag and Front Passenger Airbag184
- Roll Sensing Function197
- SRS Side Airbags and Curtain Shield Airbags197
- Roll Sensing of Curtain Shield Airbags off Switch212
- Child Restraint213
  - Child Restraint Precautions213
  - Child Restraint System215
  - Booster Seat216
  - Convertible Seat216
  - Infant Seat216
  - Types of Child Restraint System216
  - Installation with 3-Point Type Seat Belt217
  - Using a Top Strap231
  - Child Restraint System Installation234
- Driving Position Memory System238
- Installation with Child Restraint Lower Anchorages234
- Setting the Driving Position238
- Recalling the Memorized Position239
- Steering Wheel and Mirrors241
- Adjustment of Steering Wheel Tilt242
- Adjustment of Telescopic Steering Column242
Steering Wheel and Mirrors242
- Tilt and Telescopic Steering Wheel242
- Auto Tilt Away243
- Outside Rear View Mirrors243
- Steering Wheel and Mirrors243
- Power Rear View Mirror Control244
- Automatic Transmission Selector Lever245
- Folding Rear View Mirrors246
- Inside Rear View Mirror246
- Vanity Mirrors252
Section 2 - Air Conditioning and Audio254
- Automatic Air Conditioning Controls255
- SETTING OPERATION — Automatic Control259
- SETTING OPERATION — Manual Control260
- If Manual Switching of Air Intake Is Desired261
- If Quick Heating or Cooling Is Desired261
- Windshield Defogging and Defrosting262
- Defogging and Defrosting266
- Center Vents and Side Vents268
- Rear Cooler Controls272
- Air Flow Control273
- Rear Cooler ON-OFF273
- Temperature Control273
- Audio275
- Audio System276
  - Quick Reference for Your Audio System276
  - Using Your Audio System: some Basics278
  - Turning the System on and off279
  - Your Radio Antennas281
  - Your Cassette Player282
  - Your Compact Disc Player with Changer283
  - Presetting a Station285
  - Selecting a Station285
  - RDS (Radio Data System)286
  - TRAF (Traffic) Function287
  - TYPE (Program Type)287
  - Radio Text Message288
  - Cassette Tape Player Operation289
  - If a Cassette Is Already in the Slot289
  - Playing a Cassette Tape289
  - To Stop or Eject the Cassette Tape289
  - Automatic Program Selection290
  - Manual Program Selection290
  - Compact Disc Player Operation292
  - Inserting or Ejecting Compact Discs292
  - Setting a Single Compact Disc292
  - Ejecting a Single Disc Alone294
  - Playing a Compact Disc294
  - Searching for a Desired Disc295
  - Searching for a Desired Track295
  - Selecting a Desired Disc295
  - Repeating a Track or a Disc296
  - Selecting a Desired Track296
  - “Fast Forward” Button296
  - “Reverse” Button296
  - Compact Disc Text297
  - Random Playing297
  - Audio Remote Controls (Steering Switches)298
  - If the Player Malfunctions298
  - Vehicles with Rear Seat Entertainment System299
  - When the “CD” Mode Is Selected299
  - When the “TAPE” Mode Is Selected299
  - Audio System Operating Hints300
  - Fm300
  - Radio Reception300
  - Am301
  - Caring for Your Cassette Player and Tapes301
  - Caring for Your Compact Disc Player and Discs302
  - Use High-Quality Cassettes302
  - Special Shaped Discs303
  - Transparent/Translucent Discs303
  - Labeled Discs304
  - Low Quality Discs304
  - Rear Seat Audio System307
  - Rear Seat Audio System Controller308
  - Quick Reference for Your Remote Control311
  - Using Your Rear Seat Audio System: some Basics311
  - Listening to the Radio314
  - Radio Operation314
  - Headphone Input Jacks321
  - Rear Seat Entertainment System323
  - Rear Seat Entertainment System Controller326
  - Before Using the Controller327
  - Using the Controller327
  - Controller Holder329
  - Quick Reference for Your Remote Controller331
  - Front Audio System Operation336
  - Selecting the Mode336
  - AM Mode337
  - FM Mode337
  - Replacing Controller Battery342
  - DVD Player Operation344
  - Selecting the DVD Mode348
  - DVD Player Operation Switches349
  - Turning the Operation Switches on and off350
  - DVD Video/DVD Audio Player Operation353
  - Precautions for DVD Video Discs353
  - Turning the Menu Screen for the Disc on or off354
  - Skipping to the Predetermined Screen356
  - Selecting the Title/Group357
  - Selecting the Bonus Group (DVD Audio Only)358
  - Changing the Still Picture (DVD Audio Only)359
  - Changing the Subtitle Language359
  - Changing Audio Language360
  - Changing Audio Format361
  - Changing Angle Screen362
  - Changing the Initial Setting363
  - Changing the Audio Language364
  - Changing the DVD Language366
  - Turning the Angle Mark on or off367
  - Setting Level of Viewer Restrictions368
  - Setting the Display Mode369
  - Language Code List370
  - Selecting the Chapter/Track377
  - Using the Control Screen377
  - Error Messages378
  - Selecting the Disc Menu Number (Video CD Only)378
  - Video CD/Audio CD/CD Text Player Operation378
  - Changing Menu Page or Track (Video CD Only)380
  - Turning on the Disc Menu (Video CD Only)380
  - Changing a Multiplex Transmission (Video CD Only)381
  - Changing the Initial Setting (Video CD Only)381
  - Screen Adjustment383
  - Selecting the Video Mode384
  - DVD Video Disc Information385
  - DVD Video Disc Glossary386
  - Region Codes387
  - Input Terminal Adapter388
  - To Use the Input Terminal Adapter388
  - Main Switch389
  - Power Outlet (115 VAC)389
  - Audio/Video System Operating Hints393
  - Fading and Drifting Stations394
  - Multi-Path394
  - Static and Fluttering394
  - Compact Disc Player396
  - DVD Player396
  - Starting and Driving401
- Three-Way Catalytic Converters402
- Engine Exhaust Caution405
- Before Starting the Engine407
- Ignition Switch with Steering Lock407
- Parking Brake409
  - Before Cranking410
  - Cranking Hold Function410
- How to Start the Engine410
- Automatic Transmission411
  - Normal Driving412
  - Using Engine Braking414
  - Backing up416
  - Good Driving Practice417
  - Parking417
  - Driving in Second Start Mode419
  - Four-Wheel Drive Control419
- Four-Wheel Drive System419
- If You Cannot Shift the Selector Lever419
- Center Differential Lock Switch420
- Shifting Procedure422
- Ignition Switch423
- Rear View Monitor System423
- Area Displayed on Screen424
- Cruise Control427
  - Turning the System on427
  - Cancelling the Preset Speed428
  - Resetting to a Faster Speed428
  - Setting at a Desired Speed428
  - Setting Operation428
  - Cruise Control Failure Warning429
  - Resetting to a Slower Speed429
  - Resuming the Preset Speed429
- Rear Height Control Air Suspension430
  - Vehicle Height Modes430
  - Vehicle Height Mode Changing Condition431
  - Vehicle Height Adjustment432
  - Turning off the Rear Height Control Air Suspension434
  - Height Control Indicator Lights436
- Electronic Modulated Suspension437
  - Parking and Stopping Tips437
  - Rear Height Control Failure Warning437
- Active Traction Control System438
- Slip Indicator Light439
- Vehicle Stability Control System440
- Downhill Assist Control System443
- Hill-Start Assist Control System446
- Brake Booster448
- Brake System448
  - Anti-Lock Brake System449
  - Brake Assist System452
  - Drum-In-Disc Type Parking Brake System452
- Tire Pressure Warning System452
  - If the Warning Light Blinks454
  - System Malfunction454
  - Replacing Tires and Wheels460
  - Selector Switch461
- Brake Pad Wear Limit Indicators462
- Limited-Slip Differential463
- Driving Tips465
- Driving Tips466
- Off-Road Vehicle Precautions466
- Break-In Period467
- Operation in Foreign Countries468
- Tips for Driving in Various Conditions468
- Off-Road Driving Precautions471
- Winter Driving Tips474
- Dinghy Towing476
- Trailer Towing477
  - Weight Limits478
  - Hitches481
  - Trailer Ball482
  - Matching Trailer Ball Height to Trailer Coupler Height484
  - Brakes and Safety Chains485
  - Service Connector for Towing Brake Controller485
  - Break-In Schedule486
  - Maintenance486
  - Tires486
  - Trailer Lights486
  - Connecting a Trailer487
  - Disconnecting a Trailer487
  - Pre-Towing Safety Check487
  - Trailer Towing Tips488
- How to Save Fuel and Make Your Vehicle Last Longer490
- Vehicle Load Limits491
  - Cargo Capacity492
  - Towing Capacity492
- Cargo and Luggage493
  - Stowage Precautions493
  - Capacity and Distribution494
  - Example on Your Vehicle495
  - Seating Configuration Variation496
  - In Case of an Emergency498
- If Your Engine Stalls While Driving499
- If Your Vehicle will Not Start499
  - Simple Checks499
  - Jump Starting500
  - Starting a Flooded Engine500
  - Jump Starting Procedure502
- If You Cannot Increase Engine Speed504
- If Your Vehicle Overheats504
  - When the Engine Overheats504
  - If no Steam Is Coming from Your Engine505
- If You Have a Flat Tire505
  - To Remove the Spare Tire under the Luggage Compartment509
  - To Remove the Spare Tire510
- If Your Vehicle Becomes Stuck523
- If Your Vehicle Needs to be Towed524
  - Towing Precautions524
  - Tie down Points527
  - Using a Flat Bed Truck527
  - Towing with a Sling Type Truck528
  - Emergency Towing529
  - Emergency Towing Hook Precautions530
- If You Cannot Shift Automatic Transmission Selector Lever531
- Lexus Link System532
  - Exposure to Radio Frequency Signals533
  - Safety Information for the Lexus Link System533
  - Information for Using the Lexus Link System534
  - Automatic Notifications536
  - Manual Emergency Calling538
  - Other Services540
  - Door Locking/Unlocking by Lexus Link System542
  - Memo Record543
  - Audible Voice Prompts544
  - Lexus Link Transceiver Antenna547
- If You Lose Your Keys or Lock Yourself out548
  - General Maintenance552
  - Maintenance Requirements552
  - Scheduled Maintenance552
  - Engine Compartment553
  - Engine Coolant Level553
  - General Maintenance553
  - Radiator, Condenser and Hoses553
  - What about Do-It-Yourself Maintenance?553
  - Does Your Vehicle Need Repairing?556
  - Emissions Inspection and Maintenance (I/M) Programs557
  - Service Procedures and Specifications559
- Introduction560
- Vehicle Identification560
- Theft Prevention Labels561
- Engine Compartment Overview562
- Removing the Engine Compartment Covers563
- Do-It-Yourself Service Precautions565
  - Checking the Engine Coolant Level567
  - Checking the Engine Oil Level567
- Parts and Tools567
  - Checking and Replacing the Blade Type Fuses568
  - Checking Battery Condition568
  - Checking Brake Fluid568
  - Checking Power Steering Fluid568
- Engine571
- Specifications571
- Fuel575
  - Fuel Type575
  - Gasoline Containing Detergent Additives575
  - Octane Rating575
  - Cleaner Burning Gasoline576
  - Gasoline Containing MMT576
  - Oxygenates in Gasoline576
  - Quality Gasoline576
  - Gasoline Quality577
  - Engine Oil Consumption578
- Facts about Engine Oil Consumption578
- Fuel Pump Shut off System578
  - Functions of Engine Oil578
  - Importance of Engine Oil Level Check579
- Used Engine Oil579
- Checking the Engine Oil Level580
  - Engine Oil Selection584
  - Oil Identification Marks584
- Checking the Engine Coolant Level585
- Coolant Type Selection586
- Checking the Radiator and Condenser587
- Spark Plugs588
  - Chassis589
  - Chassis Specifications590
  - Differential590
  - Transfer590
  - Chassis Lubrication593
  - Refilling Brake Fluid594
- Checking Power Steering Fluid595
- Checking Tire Inflation Pressure597
- Inspection and Adjustment Procedure598
- Tire Information601
  - Tire Symbols601
  - DOT and Tire Identification Number (TIN)603
  - Tire Size603
  - Name of each Section of Tire604
  - Uniform Tire Quality Grading605
  - Glossary of Tire Terminology607
- Types of Tires610
- Rotating Tires611
- Checking and Replacing Tires612
- Tire Selection613
- Installing Snow Tires and Chains614
  - Snow Tire Installation614
  - Snow Tire Selection614
  - When to Use Snow Tires or Chains614
  - Tire Chain Selection615
  - Chain Installation617
- Replacing Wheels619
  - Wheel Selection619
  - When to Replace Your Wheels619
- Aluminum Wheel Precautions620
- Suspension and Chassis620
  - Electrical Components621
  - Fuse Locations622
  - Checking Battery Condition630
  - Checking Battery Exterior632
  - Battery Recharging Precautions635
  - Checking the Cartridge Type Fuses638
  - Adding Washer Fluid640
  - Replacing Light Bulbs641
  - Light Location642
  - Body648
  - Dimensions and Weights649
- Specifications649
- Fuel Tank650
- Protecting Your Vehicle from Corrosion651
- Hand-Washing Your Lexus652
- Washing and Waxing652
  - Washing Your Lexus652
  - Automatic Car Wash654
  - Waxing Your Lexus654
- Cleaning the Interior655
  - Leather Interior655
  - Synthetic Leather Areas657
  - Carpets, Windows and Seat Belts658
- Rain Clearing Mirrors660
- Air Conditioning Control Panel, Audio Panel, Instrument Panel, Console Panel and Switches660
- Reporting Safety Defects664
- Gas Station Information667

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