air suspension Lexus GX460 2010 Scheduled Maintenance Guide / LEXUS 2010 GX460 (OM60E69U) Owner's Manual

5
When trouble arises
681
5-1. Essential information
GX460_U.S.A. (OM60E69U)
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
■ Visible symptoms
●Fluid leaks under the vehicle 
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temper ature gauge needle continually points
higher than normal
■ Audible symptoms
●Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the engine
■ Operational symptoms
●Engine missing, stumbling or running roughly
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, sp ongy feeling, pedal almost touches
the floor

5
When trouble arises
701
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
(If equipped)
Indicates a malfunction in the rear height control air
suspension system
(Flashes)
(If equipped)Indicates a malfunction in the pre-collision system
(If equipped)
Indicates a malfunction in the intuitive parking assist The malfunctioning assi st-sensor is flashing.
Wa r n i n g m e s s a g eDetails

704
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
Indicates that the glass
hatch is not fully closed
*
If the vehicle reaches a
speed of 3 mph 
(5 km/h),
flashes and a buzzer
sounds to indicate that
the glass hatch is not yet
fully closed.
Close the glass hatch.
(Flashes)
(If equipped)
Indicates that the moon
roof is not fully closed
(with the “ENGINE
START STOP” switch off,
and the driver’s door
open)
Close the moon roof.
Wa r n i n g m e s s a g eDetailsCorrection procedure
*: The graphic is shown on the Rear height control air suspension display.

720
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
If you have a flat tire
Remove the flat tire and replace it with the spare provided.
■Before jacking up the vehicle
●Stop the vehicle on a hard, flat surface.
● Set the parking brake.
● Shift the shift lever to P.
● Vehicles with rear height cont rol air suspension: Turn off the
height control. ( P. 310)
● Stop the engine.
● Turn on the emergency flashers. ( P. 6 74 )
■ Location of the spare tire, jack and tools
Spare tire
Jack
To o l b o x

5
When trouble arises
731
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
CAUTION
■Using the tire jack
Improper use of the tire jack may lead to death or injuries due to the vehicle sud-
denly falling off the jack.
●Do not use the tire jack for any purpose other than replacing tires or installing and
removing tire chains.
●Only use the tire jack that comes with this vehicle for replacing a flat tire. 
Do not use it on other vehicles, and do no t use other tire jacks for replacing tires
on this vehicle.
●Always check that the tire jack is securely set to the jack point.
●Be sure to turn off the rear height co ntrol air suspension and stop the engine.
●Do not raise the vehicle while someone is in it.
●When raising the vehicle, do not put an object on or under the jack.
●Do not raise the vehicle to a height greate r than that required to replace the tire.
●Use a jack stand if it is necessary to get under the vehicle.
●Do not put any part of your body under the vehicle supported by a jack.
●Do not start or run the engine while your vehicle is supported by the jack.
Take particular care when lowering the vehicle to ensure that no one working on or
near the vehicle may be injured.
■Using the jack handle
Tighten all the jack handle bolts securely using a Phillips-head screwdriver, to pre-
vent the extension parts from coming apart unexpectedly.

5
When trouble arises
733
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
CAUTION
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in their storage
location to reduce the possibility of personal injury during a collision or sudden
braking.
NOTICE
■Do not drive the vehicle with a flat tire
Do not continue driving with a flat tire. 
Driving even a short distance with a flat tire can damage the tire and the wheel
beyond repair.
■When stowing the flat tire
●Ensure that there is no object caught between the tire and the vehicle underbody.
●To avoid damaging the suspension system, make sure that the spare tire does not
interfere with the suspension components when stowed.
■When replacing the tires
When removing or fitting the wheels, tire s or the tire pressure warning valve and
transmitter, contact your Lexus dealer as the tire pressure warning valve and trans-
mitter may be damaged if not handled correctly.
■To avoid damaging the tire pressu re warning valves and transmitters
Do not use liquid sealants on flat tires.

750
GX460_U.S.A. (OM60E69U)
6-1. Specifications
Maintenance data (fuel, oil level, etc.)
Dimensions and weight
*1: Unladen vehicle
*2: Vehicles without rear height control air suspension
*3: Vehicles with rear height control air suspension
*4: Vehicles without an antenna and roof rails
*5: Vehicles without an antenna and with roof rails
*6: Vehicles with an antenna
Overall length189.2 in. (4805 mm)
Overall width74.2 in. (1885 mm)
Overall height*1
72.0 in. (1830 mm)*2,4
71.7 in. (1820 mm)*3,4
72.6 in. (1845 mm)*2,5
72.2 in. (1835 mm)*3,5
74.2 in. (1885 mm)*2,6
73.8 in. (1875 mm)*3,6
Wheelbase109.8 in. (2790 mm)
Tr e a dFront62.4 in. (1585 mm)
Rear62.4 in. (1585 mm)
Vehicle capacity weight
(Occupants + luggage)
With third seat
Without third seat1315 lb. (595 kg)*2
1280 lb. (580 kg)*3
1525 lb. (690 kg)
Towing capacity6500 lb. (2948 kg)

809
Abbreviation list
GX460_U.S.A. (OM60E69U)
I/MEmission inspection and maintenance
KDSSKinetic Dynamic Suspension System
LATCHLower Anchors and Tethers for Children
LDALane Departure Alert
LEDLight Emitting Diode
LOLow
MMTMethylcy clopentadienyl Manganese Tricarbonyl
M + SMud and Snow
MTBEMethyl Tertiary Butyl Ether
NNormal
OBDOn Board Diagnostics
RDSRadio Data System
RSCARoll Sensing of Curtain Shield Airbag
SRSSupplemental Restraint System
TINTire Identification Number
TPMSTire Pressure Warning System
TRACTraction Control
VINVehicle Identification Number
VSCVehicle Stability Control
ABBREVIATIONSMEANING

810
GX460_U.S.A. (OM60E69U)
Alphabetical index
Alphabetical index
A/CFront automatic air conditioning 
system ..................................................384
Rear automatic air conditioning 
system ................................................. 400
ABS............................................................ 330
Active traction control......................... 331
Adaptive front lighting system ........ 223
Adaptive variable suspension 
system...................................................... 316
AFS ............................................................. 223
Air conditioning filter ..........................640
Air conditioning system Air conditioning filter .......................640
Front automatic air conditioning 
system ..................................................384
Rear automatic air conditioning 
system ................................................. 400
Airbags Airbag deployment 
conditions............................................. 126
Airbag precautions for your 
child.........................................................133
Airbag warning light ....................... 688
Front passenger occupant 
classification system....................... 140
General airbag precautions .......... 132
Locations of airbags.............................121
Modification and disposal of 
airbags ................................................... 137
Proper driving po sture ...................... 119
Side airbag precautions ................... 134
Side and curtain shield airbags 
deployment conditions ................. 126
Side and curtain shield airbag 
precautions .........................................135
SRS airbags ..............................................121 Alarm ............................................................ 116
Antenna ......................................................413
Anti-lock brake system ......................330
Armrest .................................................... 554
Audio input................................................451
Audio system
Antenna.................................................... 413
Audio input............................................. 451
AUX adapter ........................................ 451
CD player/changer ........................... 416
MP3/WMA disc................................424
Optimal use ......................................... 449
Portable music player ....................... 451
Radio ....................................................... 408
Steering wheel audio switch........ 452
USB memory ...................................... 440
Automatic air conditioning system Air conditioning filter ....................... 640
Front automatic air conditioning 
system.................................................. 384
Rear automatic air conditioning 
system.................................................. 400
Automatic light control system....... 220
Automatic transmission Automatic transmission ...................186
If the shift lever cannot be shifted 
from P ...................................................736
S mode .....................................................189
AUX adapter ...........................................451
Auxiliary box .............................. 525, 559
AVS..............................................................316
Back door Back door .................................................54
Wireless remote control .................. 48A
B

814
Alphabetical index
GX460_U.S.A. (OM60E69U)
Garage door opener .......................... 567
Gas station information......................824
Gauges ...................................................... 195
Glove box ................................................. 516
Glove box light ....................................... 516
Hands-free system for cellular 
phones.................................................... 477
Hazard lights Switch ...................................................... 674
Head restraints Adjustment............................................... 83
Headlights cleaner ................................ 241
Headlights Adaptive front lighting 
system .................................................. 223
Discharge headlights 
precautions ....................................... 672
Replacing light bulbs..........................661
Switch ...................................................... 220
Wattage.................................................... 761
Heaters Seat heaters ........................................... 551
Side mirror ............................................404
Heated steering..................................549
Height control Rear height control air 
suspension.......................................... 310
Hill-start assist control ......................... 331
Hood .......................................................... 607
Hooks Cargo ...................................................... 557
Cargo hooks .......................................559
Coat ........................................................ 555
Horn ............................................................ 194 I/M test ...................................................... 601
Identification
Engine ....................................................... 751
Vehicle...................................................... 751
Ignition switch .......................................... 179
Ignition switch light Ignition switch light ...............................511
Illuminated entry system ......................514
Indicator lights ........................................ 198
Initialization Items to initialize...................................801
Inside door handle light ........................ 511
Inside rear view mirror .......................... 96
Instrument cluster light control.........196
Interior lights Interior lights ............................................ 511
Switch ........................................................ 513
Wattage ................................................... 761
Intuitive parking assist......................... 259
Jack Vehicle-equipped jack....................720
Jack handle ............................................. 720
Keyless entry ................................................. 48
Keys Electronic key ......................................... 26
Engine switch .......................................... 29
If you lose your keys ......................... 737
If the electronic key does not 
operate properly............................ 738
Key number plate.................................. 26
Keyless entry........................................... 48
Keys.............................................................. 26
Mechanical key ...................................... 26
Wireless remote control key.......... 48G
H
I
J
K