Lexus GX550 2025 - Tire Pressure Warning System

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Tire pressure warning system

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Table of Contents4
Table of Contents5
Reporting Safety Defects for U.S7
For Your Information8
Vehicle Data Recording9
Event Data Recorder12
Perchlorate Material13
Reading this Manual14
Symbols in Illustrations14
How to Search15
Pictorial Index16
Instrument Panel19
For Safety and Security27
For Safe Use before Driving28
For Safe Driving29
Correct Driving Posture29
Correct Use of the Seat Belts29
Adjusting the Mirrors30
Seat Belts30
Seat Belt Pretensioners33
SRS Airbags35
Front Passenger Occupant Classification System43
System Components43
Exhaust Gas Precautions48
Riding with Children49
Child Safety49
Child Restraint Systems49
Points to Remember49
Child Restraint System50
Using an Anchor Bracket (for Top Tether Strap)59
Safety Connect62
1-4. Theft Deterrent System66
Engine Immobilizer System66
Operating the System66
Alarm67
Vehicle Status Information and Indicators69
2-1. Instrument Cluster69
Warning Lights and Indicators70
Warning Lights71
Gauges and Meters76
Meter Display76
Multi-Information Display81
Head-Up Display82
Displayed Content85
Eco Driving Indicator87
Map Display87
Auxiliary Gauges90
Turbo Gauge91
Tire Pressure92
Before Driving95
Key Information96
Keys96
Key Types96
Wireless Remote Control98
Digital Key100
3-2. Opening, Closing and Locking the Doors102
Side Doors102
Power Running Boards107
Back Door109
Rear Step Bumper123
Glass Hatch124
Smart Access System with Push-Button Start126
Front Seats131
Adjustment Procedure131
Adjusting the Seats131
Rear Seats133
Head Restraints142
Vertical Adjustment142
Removing the Head Restraints143
Steering Wheel145
Adjusting the Steering Wheel and Mirrors145
Sounding the Horn145
Inside Rear View Mirror146
Digital Rear-View Mirror147
System Components147
Changing Modes147
Outside Rear View Mirrors156
3-5. Opening, Closing the Windows and Moon Roof159
Power Windows159
Moon Roof161
3-6. Favorite Settings164
Driving Position Memory164
My Settings168
Bluetooth Device169
Driving171
4-1. before Driving171
Driving the Vehicle173
Driving Procedure173
Cargo and Luggage179
Vehicle Load Limits182
Trailer Towing (with Towing Hitch)183
Weight Limits187
Trailer Towing Tips192
Dinghy Towing195
4-2. Driving Procedures196
Engine (Ignition) Switch196
Starting the Engine196
Stopping the Engine197
Automatic Transmission200
Shifting the Shift Lever201
Selecting the Driving Mode202
"TOW HAUL" Switch204
Turn Signal Lever205
Parking Brake206
Brake Hold209
Operating the Lights and Wipers211
Headlight Switch211
AHB (Automatic High Beam)213
AHB (Automatic High Beam)211213
Fog Light Switch216
Operating Procedure216
Windshield Wipers and Washer217
Rear Window Wiper and Washer219
Opening the Fuel Tank Cap221
Before Refueling the Vehicle221
Refueling221
Closing the Fuel Tank Cap222
Using the Driving Support Systems223
Lexus Safety System + 3 /Traffic Jam Assist Software Update223
Using the Driving Support Sys- Tems223
Lexus Safety System + 3 /Traffic223
Jam Assist Software Update223
Updating the Software224
Lexus Safety System + 3225
Driver Monitor233
PCS (Pre-Collision System)235
LTA (Lane Tracing Assist)246
Enabling/Disabling the System249
LCA (Lane Change Assist)251
LDA (Lane Departure Alert)254
LDA (Lane Departure Alert)252254
Basic Functions254
PDA (Proactive Driving Assist)258260
PDA (Proactive Driving Assist)260
FCTA (Front Cross Traffic Alert)265
RSA (Road Sign Assist)268
Display Function268
Notification Function269
Dynamic Radar Cruise Control.268270
Dynamic Radar Cruise Control270
System Components273
Cruise Control280
Using the Cruise Control280
Emergency Driving Stop System283
Traffic Jam Assist285
BSM (Blind Spot Monitor)291
Safe Exit Assist296
Intuitive Parking Assist300
RCTA (Rear Cross Traffic Alert) Function305
RCD (Rear Camera Detection) Function310
PKSB (Parking Support Brake)313
System Overview316
Parking Support Brake Function317
The Vehicle)317
Parking Support Brake Function (Static Objects Front and Rear of the Vehicle)317
Cle320
Parking Support Brake Function (Moving Vehicles Rear of the Vehicle)320
Parking Support Brake Function321
Parking Support Brake Function (Pedestrians Rear of the Vehicle)321
(Pedestrians Rear of the Vehicle)322
Multi-Terrain Monitor323
Camera Switch327
Camera Position374
Things You Should Know382
Driving Mode Select Switch386
System Components386
Four-Wheel Drive System388
Center Differential Lock Switch389
Rear Differential Lock System391
Crawl Control392
Multi-Terrain Select395
Switching Modes396
Downhill Assist Control System398
Driving Assist Systems400
Trailer Brake Controller405
System Operation405
Off-Road Precautions407
Off-Road Driving408
Winter Driving Tips410
Pre-Winter Preparations410
Before Driving the Vehicle410
Interior Features413
5-1. Lexus Climate Concierge413
Lexus Climate Concierge414
Front Automatic Air Conditioning System415
5-2. Using the Air Conditioning System and Defogger415
Rear Automatic Air Conditioning System423
Heated Steering Wheel/Seat Heat- Ers/Seat Ventilators425
5-3. Using the Interior Lights428
Interior Lights List428
Using the Storage Features431
List of Storage Features431
Glove Box433
Cup Holders433
Bottle Holders434
Luggage Compartment Features436
Cargo Hooks436
Luggage Cover (if Equipped)437
Using the Other Interior Features439
Panoramic Fixed Moon Roof with One-Touch Frosted Glass Control439
Other Interior Features441
Cool Box (if Equipped)441
Vanity Mirrors442
Power Outlets (12 VDC)442
Power Outlet (120 VAC)443
Wireless Charger (if Equipped)445
Coat Hooks453
Assist Grips453
Garage Door Opener456
Programming the Homelink457
Operating Homelink461
Maintenance and Care463
6-1. Maintenance and Care464
Cleaning and Protecting the Vehicle Exterior464
Cleaning Instructions464
Cleaning and Protecting the Vehicle Interior467
6-2. Maintenance470
Maintenance Requirements470
Scheduled Maintenance470
Do-It-Yourself Maintenance471
General Maintenance471
Vehicle Interior472
Vehicle Exterior473
Emission Inspection and Mainte- Nance (I/M) Programs474
Tions474
Do-It-Yourself Maintenance475
Do-It-Yourself Service Precautions475
Hood477
Engine Compartment478
Engine Compartment Cover479
Checking the Engine Oil479
Adding Engine Oil480
Checking the Coolant482
Checking the Battery484
Tires487
Tire Rotation488
Registering ID Codes493
Tire Inflation Pressure497
Wheels499
Wheel Selection499
Aluminum Wheel Precautions499
Air Conditioning Filter500
Electronic Key Battery501
Items to Prepare501
Replacing the Battery502
Checking and Replacing Fuses503
Headlight Aim506
Light Bulbs507
When Trouble Arises509
7-1. Essential Information509
Emergency Flashers510
If Your Vehicle Has to be Stopped in an Emergency510
Stopping the Vehicle510
If the Vehicle Is Submerged or Water on the Road Is Rising511
Steps to Take in an Emergency513
If Your Vehicle Needs to be Towed513
Emergency Towing514
If You Think Something Is Wrong513515
If You Think Something Is Wrong515
Visible Symptoms515
Audible Symptoms515
Operational Symptoms515
Fuel Pump Shut off System516
If a Warning Light Turns on or a Warning Buzzer Sounds517
If a Warning Message Is Displayed527
If You Have a Flat Tire534
Taking out the Spare Tire537
If the Engine will Not Start543
If You Lose Your Keys544
If the Electronic Key Does Not Operate Properly545
If the Vehicle Battery Is Discharged547
Restarting the Engine547
If Your Vehicle Overheats551
Correction Procedures551
If the Vehicle Becomes Stuck553
Etc.)553
Vehicle Specifications555
8-1. Specifications556
Maintenance Data (Fuel, Oil Level, Etc.)556
Dimensions and Weights556
Seating Capacity557
Vehicle Identification557
Lubrication System558
Electrical System560
Tires and Wheels562
Fuel Information564
Tire Information566
Typical DOT and Tire Identification Number (TIN)567
Glossary of Tire Terminology569
8-2. Customization574
Customizable Features574
Initialization589
Items to Initialize589
For Owners591
U.S. Owners592
Reporting Safety Defects for Canadian Owners592
9-1. for Owners592
Reporting Safety Defects for U.S592
Seat Belt Instructions for Canadian Owners (in French)593
Seat Belt Instructions for Cana- Dian Owners (in French)593
Entretien et Nettoyage593
SRS Airbag Instructions for Canadian Owners (in French)594
Headlight Aim Instructions for Canadian Owners (in French)599
Index601
What to Do if602
Alphabetical Index604
Smart Access System with Push-Button Start623
Wireless Charger629
Tire Pressure Warning System631
Gas Station Information634

Lexus GX550 2025 - Tire Pressure Warning System

Table of Contents

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