2018 Lexus GX460 air conditioning

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GX460_OM_OM60Q09U_(U)5-4. Using the other interior features
5
Interior features
Other interior features
Lift the lid while pulling up the lower
lever to release the lock.
Turns the cool box on/off
When on, the indicator light comes on.
■The cool box can be operated when
The engine switch is in IGNITION ON mode.
■If the front air conditioning system is not in use when the cool box is turned on
The front air conditioning system is automatically turned on.
Cool box (if equipped)
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GX460_OM_OM60Q09U_(U)5-4. Using the other interior features
■While the cool box is on
The front air conditioning sy
stem cannot be turned off.
■Items unsuitable for the cool box
●Drinks in unsealed containers
●Fragile items, perishables or anything with strong odor
●Owner’s manual, electronic devices, CDs, etc.
■When the indicator light flashes
The cool box is not operated when an y of the following conditions occurs.
●When the air conditioning system is off
Turn the air conditioning system on also turns on the cool box.
●When outside air temperature is about 32 °F (0 °C) or below.
If the indicator light continues to flash, ther e may be a malfunction in the system. Turn the
air conditioning system off and have it inspected by your Lexus dealer.
■When using the cool box lid as an armrest
Slide the cool box lid forward or backward as
needed. Slide the lid while pulling up the upper
lever to release the lock.
CAUTION
Keep the cool box closed. In the event of su dden braking or sudden swerving, an acci-
dent may occur due to an occupant being struck by the open cool box or the items
stored inside.
NOTICE
To prevent battery discharge, do not leave the cool box on longer than necessary when
the engine is not running.

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GX460_OM_OM60Q09U_(U)5-4. Using the other interior features
■Luggage compartment (120 V AC)
The power outlet can be used for 120
V AC accessories that run on less than
100 W.
■The power outlet can be used when
12 V DC: The engine switch is in ACCESSORY or IGNITION ON mode.
120 V AC: The engine switch is in IGNITION ON mode.
■The protection circuit may be activated to cut the power supply if any of the following
conditions apply (120 V AC):
●Use of electrical appliances exceeding 100 W is attempted.
A sound may be heard when the protection circuit is activated. This is normal and does
not indicate a malfunction.
●The total power usage by all electrical featur es (headlights, air conditioning, etc.) has
exceeded the total vehicle maximum for an extended period of time.
■If the protection circuit is activated and the power supply is cut, conduct the following
procedure (120 V AC):
Park the vehicle in a safe place, and then securely apply the parking brake.
Make sure that the power consumption of th e electric appliance is within the maxi-
mum capacity of the power outlet and the appliance is not broken.
Turn the engine switch to IGNITION ON mode again.
When the cabin temperature is high, open the windows to cool the temperature down.
Once it reaches the normal temperature, turn the engine switch to IGNITION ON
mode again.
If the power supply does not resume even after the above procedure has been per-
formed, have the vehicle inspected by your Lexus dealer.
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GX460_OM_OM60Q09U_(U)5-4. Using the other interior features
NOTICE
■To prevent the fuse from being blown
12 V DC: Do not use an accessory
that uses more than 12 V 10 A.
120 V AC: Do not use a 120 V AC applia nce that requires more than 100 W.
If a 120 V AC appliance that consumes more than 100 W is used, the protection circuit
will cut the power supply.
■Appliances that may not operate properly (120 V AC)
The following 120 V AC appliances may not operate even if their power consumption
is under 100 W.
●Appliances with high initial peak wattage
●Measuring devices that process precise data.
●Other appliances that require an extremely stable power supply
■To prevent battery discharge
12 V DC: Do not use the power outlet longer than necessary when the engine is not
running.
120 V AC: Turn off all the vehicle’s electron ic equipment and accessories, such as the
headlights and air conditioning , when electrical appliances that consume in excess of
100 W are used continuously for long periods of time.
■To prevent any damage caus ed by heat (120 V AC)
●Do not use any electrical appliances that give off intense heat, such as toasters, in any
locations including the internal or external trim, seats and deck.
●Do not use any electrical appliances that are easily affected by vibration or heat inside
the vehicle. Vibration while driving, or the heat of the sun while parking, may result in
damage to those electrical appliances.
■If any electrical appliances are to be used while driving (120 V AC)
Securely fasten both the appliances and th eir cables to prevent them from falling or
getting caught in any of the power train components.
■If the power outlet is loose when an electrical appliance plug is connected (120 V
AC)
Replace the outlet. Contact your Lexus dealer for any necessary replacements.
■If the power outlet gets dirty (120 V AC)
Turn the main switch off and use a soft, clea n cloth to wipe it gently. Do not use any
cleansing materials, such as organic solven ts, wax, or compound cleaners, as these
may damage the power outlet or cause it to malfunction.

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GX460_OM_OM60Q09U_(U)
6Maintenance and care
6-1. Maintenance and careCleaning and protecting the vehicle exterior ................ 446
Cleaning and protecting the vehicle interior.................. 449
6-2. Maintenance Maintenance requirements ............................ 452
General maintenance..............455
Emission inspection and maintenance (I/M)
programs ....................................458
6-3. Do-it-yourself maintenance Do-it-yourself service precautions................................ 459
Hood ............................................... 462
Engine compartment ............... 463
Tires ................................................. 476
Tire inflation pressure...............483
Wheels ........................................... 487
Air conditioning filter ...............489
Electronic key battery ............... 491
Checking and replacing fuses .............................................. 493
Headlight aim .............................. 496
Light bulbs.....................................498

GX460_OM_OM60Q09U_(U)
4616-3. Do-it-yourself maintenance
6
Maintenance and care
CAUTION
The engine compartment contains many mechanisms and fluids that may move suddenly,
become hot, or become electrically energize d. To avoid death or serious injury, observe
the following precautions:
■When working on the engine compartment
●Keep hands, clothing and tools away from the moving fan and engine drive belt.
●Be careful not to touch the engine, radiator, exhaust manifold, etc. right after driving
as they may be hot. Oil and other fluids may also be hot.
●Do not leave anything that may burn easily, such as paper or rags, in the engine com-
partment.
●Do not smoke, cause sparks or expose an open flame to fuel or the battery. Fuel and
battery fumes are flammable.
●Be extremely cautious when working on the battery. It contains poisonous and corro-
sive sulfuric acid.
■When working near the electric cooling fans or radiator grille
Be sure the engine switch is off. With the engine switch in IGNITION ON mode, the
electric cooling fans may auto matically start to run if the air conditioning is on and/or
the coolant temperature is high. ( →P. 469)
■When working on or under the vehicle
Do not get under the vehicle with just the jack supporting it.
Always use automotive jack stands or other solid supports.
■Safety glasses
Wear safety glasses to prevent flying or falling material, fluid spray, etc. from getting in
your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner f ilter removed may cause excessive engine wear due to dirt
in the air.

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GX460_OM_OM60Q09U_(U)6-3. Do-it-yourself maintenance
6
Maintenance and care
Air conditioning filter
Turn the engine switch off.
Open the glove box and remove the
glove box cover.
Remove the filter cover.
The air conditioning filter must be ch
anged regularly to maintain air condi-
tioning efficiency.
Removal method
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GX460_OM_OM60Q09U_(U)6-3. Do-it-yourself maintenance
Slide and pull out the filter. Replace
the filter with a new one.
The “
\bUP” marks shown on the filter
should be pointing up.
■Changing interval
Inspect and replace the air cond itioning filter 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.
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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.