air conditioning Lexus GX460 2015 Alphabetical index /

482
GX460_OM_OM60L72U_(U)6-3. Do-it-yourself maintenance
Slide and pull out the filter. Replace
the filter with a new one.
The “
UP” marks shown on the filter
should be pointing up.
■Changing interval
Inspect and replace the air conditioning filt er according to the maintenance schedule. In
dusty areas or areas with heavy traffic flow, early replacement may be required.
(For scheduled maintenance information, please refer to the “Owner’s Manual
Supplement” or “Scheduled Maintenance”.)
■If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
4
NOTICE
■When using the air conditioning system
Make sure that a filter is always installed.
Using the air conditioning system without a filter may cause damage to the system.

509
GX460_OM_OM60L72U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If you think something is wrong
●Fluid leaks under the vehicle
(Water dripping from the air conditioning after use is normal.)
●Flat-looking tires or uneven tire wear
●Engine coolant temperature gauge needle continually points higher than nor-
mal
●Changes in exhaust sound
●Excessive tire squeal when cornering
●Strange noises related to the suspension system
●Pinging or other noises related to the engine
●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, spongy feeling, pedal almost touches the floor
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
Audible symptoms
Operational symptoms

555
GX460_OM_OM60L72U_(U)
7
When trouble arises
7-2. Steps to take in an emergency
If your vehicle overheats
Stop the vehicle in a safe place and turn off the air conditioning system, and
then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled down sufficiently, inspect the hoses and radiator
core (radiator) for any leaks.
Radiator
Cooling fans
If a large amount of coolant leaks,
immediately contact your Lexus
dealer.
The following may indicate that your vehicle is overheating.
●The needle of the engine coolant temperature gauge ( P. 7 9 ) e n t e r s t h e
red zone or a loss of engine power is experienced. (For example, the vehicle
speed does not increase.)
●Steam is coming from under the hood.
Correction procedures
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2
3
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2

5567-2. Steps to take in an emergency
GX460_OM_OM60L72U_(U)
The coolant level is satisfactory if it is between the “F” and “L” lines on the res-
ervoir.Reservoir
“F”
“L”
Radiator cap
Add coolant if necessary.
Water can be used in an emergency if
coolant is unavailable.
Start the engine and turn the air conditioning system on to check that the radi-
ator cooling fans operate and to check for coolant leaks from the radiator or
hoses.
The fans operate when the air conditioning system is turned on immediately after a
cold start. Confirm that the fans are oper ating by checking the fan sound and air flow.
If it is difficult to check th ese, turn the air conditioning system on and off repeatedly.
(The fans may not operate in freezing temperatures.)
If the fans are not operating:
Stop the engine immediately and contact your Lexus dealer.
If the fans are operating:
Have the vehicle inspected at the nearest Lexus dealer.
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2
3
4
5
6
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594
GX460_OM_OM60L72U_(U)8-2. Customization
■Meters (P. 7 9 )
■Front automatic air conditioning system (P. 3 8 0 )
*: If equipped
■Driving position memory (P. 131)
FunctionDefault settingCustomized
setting
Sensitivity of the ambient
light sensor used for dim-
ming the meter lights etc.
Standard-2 to 2——O
Sensitivity of the ambient
light sensor used for bright-
ening the meter lights etc.
Standard-2 to 2——O
123
FunctionDefault settingCustomized setting
Switching between outside
air and recirculated air
mode linked to automatic
mode switch operation
*
AutoManual—OO
A/C automatic mode
switch operationAutoManual—OO
Exhaust gas sensor sensitiv-
ityStandard-3 to 3—OO
123
FunctionDefault settingCustomized setting
Driver’s seat movement
when exiting the vehicleFull
Off
—OO
Pa r t i a l
Selecting the door linking
driving position memory
with door unlock operationDriver’s doorAll doors——O
123

618Alphabetical index
GX460_OM_OM60L72U_(U)
Alphabetical index
A/C ................................................ 380, 390Air conditioning filter......................... 481
ABS (Anti-lock Brake System)....... 345 Function ..................................................345
Warning light .......................................... 511
Active Traction Control .................... 346
Air conditioning filter ........................... 481
Air conditioning system ......... 380, 390 Air conditioning filter......................... 481
Micro dust and pollen filter .......... 385
Airbags ........................................................ 34 Airbag operating conditions ........... 42
Airbag precautions for your child........................................ 37
Airbag warning light ............................ 511
Correct driving posture .................... 26
Curtain shield airbag operating conditions........................ 42
Curtain shield airbag precautions ........................................... 37
General airbag precautions............ 37
Locations of airbags ............................ 34
Modification and disposal of airbags ..............................41
Side airbag operating conditions .............................................. 42
Side airbag precautions..................... 37
Side and curtain shield airbags operating conditions........................ 42
Side and curtain shield airbags precautions ........................................... 37
SRS airbags.............................................. 34
SRS warning light.................................. 511
Alarm Alarm........................................................... 70
Warning buzzer .................................... 511 Anchor brackets....................................... 57
Antennas (smart access system
with push-button start) ........................ 111
Anti-lock brake system (ABS) ..................................................... 345 Function .................................................. 345
Warning light .......................................... 511
Armrest ...................................................... 421
Assist grip .................................................422
Audio input
*
Audio system*
Automatic headlight leveling system .....................................198
Automatic High Beam ......................... 199
Automatic light control system ........ 196
Automatic transmission.......................190 If the shift lever cannot be shifted from P ...................................548
S mode...................................................... 192
AUX port
*
Auxiliary boxes ..................................... 404
AVS ........................................................... 335
Back door ................................................... 101
Back-up lights Replacing light bulbs ....................... 497
Wattage ................................................... 571
Battery .......................................................464 Battery checking ................................ 464
If the vehicle battery is discharged......................................... 552
Preparing and checking before winter ...................................... 371
Warning light .......................................... 511
Bluetooth
®*
A
B

622Alphabetical index
GX460_OM_OM60L72U_(U)
Fuel ............................................................. 564Capacity ................................................ 564
Fuel gauge ................................................ 79
Fuel pump shut off system.............. 510
Information ............................................ 572
Refueling...................................................214
Type ............................................... 214, 564
Warning light ........................................ 513
Fuel consumption information ........... 88
Fuel filler door .......................................... 214 Refueling...................................................214
Fuel gauge ...................................................79
Fuel pump shut off system.................. 510
Fuses .......................................................... 485
Garage door opener ...........................427
Gauges .........................................................79
Glass hatch .............................................. 106
Glove box ................................................400
Hands-free system (for cellular phone)
*
Head restraints ........................................136
Headlights .................................................196 Light switch ............................................ 196
Replacing light bulbs ........................492
Wattage ................................................... 571
Headlights cleaner.................................213
Heaters Automatic air conditioning system .................................... 380, 390
Seat heaters ..........................................394
Outside rear view mirrors ............ 385 Height control ......................................... 331
Hill-start assist control ....................... 346
Hood ......................................................... 454
Hooks
Cargo hooks .......................... 406, 407
Coat hooks ............................................. 421
Retaining hooks (floor mat)..............24
Horn............................................................. 139
I/M test ..................................................... 450
Identification Engine ..................................................... 564
Vehicle ....................................................563
Ignition switch (engine switch) .........185
Ignition switch light .............................. 396
Illuminated entry system ................... 398
Immobilizer system ................................ 68
Indicators ..................................................... 74
Initialization Moon roof .............................................. 150
Power windows.................................... 147
Inside rear view mirror...........................141
Instrument panel light control ............ 80
Interior lights .......................................... 396 Switch ...................................................... 397
Wattage ................................................... 571
Jack Vehicle-equipped jack ................... 534
Jack handle ..............................................537
Jam protection function Moon roof .............................................. 150
Power windows.................................... 147
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