air filter LEXUS LS500H 2019 User Guide

3816-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
6
Maintenance and care
Tire inflation pres-
sure ( P.405)• Tire pressure gauge
•Compressed air
source
Washer fluid
( P.389)
• Water or washer
fluid containing anti-
freeze (for winter
use)
• Funnel (used only for adding water or
washer fluid)
WARNING
The engine compartment contains many
mechanisms and fluids that may move
suddenly, become hot, or become elec-
trically energized. To avoid death or seri-
ous injury, observe the following
precautions.
■When working on the engine com-
partment
●Make sure that the “ACCESSORY” or
“IGNITION ON” on the multi-infor-
mation display and the “READY” indi-
cator are both off.
●Keep hands, clothi ng and tools away
from the moving fan and engine drive
belt.
●Be careful not to touch the engine,
power control unit, 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 and rags, in the
engine compartment.
●Do not smoke, cause sparks or expose
an open flame to fuel. Fuel fumes are
flammable.
ItemsParts and tools■When working near the electric cool-
ing fan or radiator grille
Be sure the power switch is off.
With the power switch in ON mode, the
electric cooling fan may automatically
start to run if the air conditioning is on
and/or the coolant temperature is high.
(  P.388)
■Safety glasses
Wear safety glasses to prevent flying or
falling material, fluid spray, etc. from get-
ting in your eyes.
NOTICE
■If you remove the air cleaner filter
Driving with the air cleaner filter
removed may cause excessive engine
wear due to dirt in the air.

4086-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
1Turn the power switch off.
2 Open the glove box. Remove the
partition. ( P.347)
3 Remove the panel.
4 Unlock the filter cover ( ), pull the
filter cover out of the claws ( ),
and remove the filter cover. 5
Remove the filter case.
6 Remove the air conditioning filter
from the filter case and replace it
with a new one.
The “ UP” marks shown on the filter and
the filter case should be pointing up.
■Checking interval
Inspect and replace the air conditioning fil-
ter 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 Sup-
plement” or “Scheduled Maintenance”.)
■If air flow from the vents decreases dra-
matically
The filter may be clogged. Check the filter
and replace if necessary.
■Air conditioning filt er with deodorizing
function
When fragrances are placed in your vehi-
cle, the deodorizing effect may become
significantly weakened in a short period.
When an air conditioning odor comes out
continuously, replace the air conditioning
Air conditioning filter
The air conditioning filter must be
changed regularly to maintain air
conditioning efficiency.
Removing the air conditioning
filter
A
B

4096-3. Do-it-yourself maintenance
LS500h_OM_(U)_1809
6
Maintenance and care
filter.
■If the electronic key battery is depleted
The following symptoms may occur:
●The smart access system with push-but-
ton start and wireless remote control will
not function properly.
●The operationa l range will be reduced.
■When the card key battery needs to be
replaced (if equipped)
The battery for the card key is available only
at Lexus dealers. Your Lexus dealer can
replace the battery for you.
 Flathead screwdriver
 Small flathead screwdriver
 Lithium battery CR2032
■Use a CR2032 lithium battery
●Batteries can be purchased at your Lexus
dealer, local electrical appliance shops or
camera stores.
●Replace only with the same or equivalent
type recommended by the manufacturer.
●Dispose of used batteries according to
local laws.
NOTICE
■When using the air conditioning sys-
tem
Make sure that a filter is always installed.
Using the air conditioning system without
a filter may cause damage to the system.
■To prevent damage to the filter cover
When moving the filter cover in the
direction of arrow to release the fitting,
pay attention not to apply excessive force
to the claws. Otherwise, the claws may
be damaged.
Electronic key battery
Replace the battery with a new one
if it is depleted.
As the key may be damaged if the
following procedure is not per-
formed properly, it is recom-
mended that key battery
replacement be performed by your
Lexus dealer.
Items to prepare

4387-2. Steps to take in an emergency
LS500h_OM_(U)_1809
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the maintenance interval
applicable to your vehicle.
■If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.
Check the engine oil and change it if neces-
sary. After changing the engine oil, make
sure to reset the message. ( P.387)
■If “Oil Maintenance Required” is dis-
played
Indicates that the engine oil should be
changed.
Check and change the en gine oil, and oil fil-
ter by your Lexus deal er. After changing the
engine oil, make sure to reset the message.
(  P.387)
■If “Shift System Malfunction Driving
Unavailable” is displayed
There is a malfunction in the shift control
system. Have the vehicle inspected by your
Lexus dealer immediately.
■If a message that in dicates the need for
the shift lever oper ation is displayed
To prevent the shift lever from being oper-
ated incorrectly or the vehicle from moving
unexpectedly, a message that requires shift-
ing the shift position may be displayed on
the multi-information display. In that case,
follow the instruction of the message and
shift the shift position.
■If a message that in dicates the need for
visiting your Lexus dealer is displayed
The system or part shown on the
multi-information display is malfunctioning.
Have the vehicle inspected by your Lexus
dealer immediately.
■If a message that in dicates the need for
referring to Owner’s Manual is dis-
played
●If any of the following messages are
shown on the multi-information display,
follow the instructions.
• “Engine Coolant Temp High” ( P.450)
•“Battery Low” ( P.445) • “Transmission Fluid Temp High” (
P.177)
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfunction. Have the
vehicle inspected by your Lexus dealer
immediately.
• “Access System with Elec. Key Malfunc- tion”
• “Shift System Malfunction”
• “P Switch Malfunction”
• “Shift System Unavailable”
• “Hybrid System Malfunction”
•“Check Engine”
• “Hybrid Battery System Malfunction”
• “Accelerator System Malfunction”
●If any of the following messages are
shown on the multi-info rmation display, it
may indicate a malfun ction. Immediately
stop the vehicle and contact your Lexus
dealer.
• “Braking Power Low”
• “Charging System Malfunction”
• “Oil Pressure Low”
●If any of the following messages are
shown on the multi-information display,
the vehicle may have run out of fuel. Stop
the vehicle in a safe place and, if the fuel
level is low, refuel the vehicle. ( P.66)
• “Hybrid System Stopped”
• “Engine Stopped”
●If “Maintenance Required for Traction
Battery Cooling Parts” is shown, the fil-
ters may be clogged, the air intake vents
may be blocked, or there may be a gap in
the duct. Therefore, perform the follow-
ing correction procedure.
• If the air intake vent s and filters of the
hybrid battery (traction battery) are dirty,
perform the procedure on P.372 to clean
them.
• If the warning message is shown when
the air intake vents and filters of the
hybrid battery (traction battery) are not
dirty, have the vehicle inspected by your
Lexus dealer.

5091-1. What to do if... (Troubleshooting)
LS500h_OM_(U)_1809509Alphabetical Index
Alphabetical Index
A
A/C Air conditioning filter .............................. 408
Front automatic air conditioning system......................................................................... 323
Micro dust and pollen filter................... 329
Rear automatic air conditioning system ......................................................................... 334
ABS (Anti-lock Brake System).............. 302 Warning light ............................................... 426
Adaptive Front-lighting System (AFS) 189
Adaptive Variable Suspension System302
AFS (Adaptive Front-lighting System) 189
Air conditioning filter .................................408
Air conditioning system Air conditioning filter .............................. 408
Front automatic air conditioning system......................................................................... 323
Micro dust and pollen filter................... 329
Rear automatic air conditioning system ......................................................................... 334
Airbags Airbag operating conditions..................... 31
Airbag precautions for your child ........ 34
Correct driving posture .............................23
Curtain shield airbag operating condi- tions ...................................................................32
Curtain shield airbag precautions ....... 34
Front passenger occupant classification system ............................................................. 40
General airbag precautions ................... 34
Locations of airbags.................................... 29
Modification and disposal of airbags ..37
Side airbag operating conditions ..........32
Side airbag precautions ............................ 34
Side and curtain shield airbags operating conditions.......................................................32
Side and curtain shield airbags precau- tions .................................................................. 34
SRS airbags ..................................................... 29
SRS warning light ...................................... 426 Alarm ....................................................................73
Warning buzzer ......................................... 424
Anchor brackets ..................................... 46, 55
Antennas (smart acc ess system with
push-button start).......................................123
Anti-lock Brake System (ABS).............. 302 Warning light ............................................... 426
Approach warning........................................251
Armrest............................................................ 354
Assist grips ..................................................... 354
Audio system-linked display ...................... 93
Automatic headlight leveling system ... 188
Automatic High Beam ............................... 190
Automatic light control system................187
Auxiliary boxes ................................... 349, 351
Average fuel economy................................. 92
Average vehicle speed ................................ 92
B
Back-up lights Replacing light bulbs ..................................414
Battery (12-volt battery) Battery checking ....................................... 390
If the 12-volt battery is discharged ....445
Preparing and checking before winter......................................................................... 309
Warning light ...............................................425
Battery (traction batter y) ............................ 66
Blind Spot Monitor (BSM)....................... 258
Brake Brake hold ...................................................... 185
Fluid...................................................... 388, 463
Parking brake ............................................... 183
Regenerative braking ................................. 64
Warning light ............................................... 424
Brake assist .................................................... 302
Break-in tips...................................................... 161
Brightness control Instrument panel light control....... 83, 89
BSM (Blind Spot Monitor)....................... 258