Page 657 of 908

657
ES350 300h_OM_OM33A01U_(U)
6-2. Maintenance
6
Maintenance and care
Maintenance requirements
General maintenance should be performed on a daily basis. This can be
done by yourself or by a Lexus dealer.
Scheduled maintenance should be performed at specified intervals
according to the maintenance schedule.
For details about maintenance items and schedules, refer to the “Warranty and
Service Guide”, “Owner’s Manual Suppl ement” or “Scheduled Maintenance”.
You can perform some maintenance procedures by yourself.
Please be aware that do-it-yourself maintenance may affect warranty cov-
erage.
The use of Lexus repair manuals is recommended.
For details about warranty coverage, refer to the separate “Owner’s Guide”,
“Warranty and Service Guide”, “Owner’s Manual Supplement” or “Warranty
Booklet”.
To ensure safe and economical driving, day-to-day care and regular
maintenance are essential. It is the owner’s responsibility to perform
regular checks. Lexus recommends performing the following mainte-
nance:
General maintenance
Scheduled maintenance
Do-it-yourself maintenance
Page 663 of 908
ES350 300h_OM_OM33A01U_(U)
6636-2. Maintenance
6
Maintenance and care
Ve h i c l e e x t e r i o r
ItemsCheck points
Doors/trunk• Do the doors/trunk operatesmoothly?
Engine hood• Does the engine hood lock systemwork properly?
Fluid leaks
• There should not be any signs of fluidleakage after the vehicle has been
parked.
Ti r e s
• Is the tire inflation pressure correct?
• The tires should not be damaged orexcessively worn.
• Have the tires been rotated accord- ing to the maintenance schedule?
• The wheel nuts should not be loose.
CAUTION
■If the engine is running
Turn the engine off and ensure that there is adequate ventilation
before performing maintenance checks.
Page 694 of 908
694
ES350 300h_OM_OM33A01U_(U)
6-3. Do-it-yourself maintenance
Tires
New tread
Treadwear indicator
Worn tread
The location of treadwear indicators is
shown by the “TWI” or “” marks, etc.,
molded on the sidewall of each tire.
Check spare tire condition and pres-
sure if not rotated.
Rotate the tires in the order shown.
To equalize tire wear and extend tire life, Lexus recommends that tire rotation is
carried out at the same interval as tire inspection.
Do not fail to initialize the tire pressu re warning system after tire rotation.
Replace or rotate tires in accordance with maintenance schedules and
treadwear.
Checking tires
1
2
3
Tire rotation
Vehicles with compact spare tireVehicles with full-size spare tire
FrontFront
Page 709 of 908
ES350 300h_OM_OM33A01U_(U)
7096-3. Do-it-yourself maintenance
6
Maintenance and care
Slide and pull out the filter.
Replace it with a new one.
The “UP” marks shown on the filter
should be pointing up.
■Checking interval
Inspect and replace the air conditioning f ilter according to the maintenance sched-
ule. 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 “S cheduled Maintenance”.)
■If air flow from the vents decreases dramatically
The filter may be clogged. Check the filter and replace if necessary.
5
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.
Page 774 of 908
7747-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
A warning message is shown on the multi-information display. After taking
the specified steps to correct the suspected problem, check that the
warning message goes off.
Follow the correction procedures.
Wa r n i n g m e s s a g eDetailsCorrection procedure
Indicates that the Auto-
matic High Beam switch
is pressed while the head-
lights are in low beam.Turn the high beam on
and press the Automatic
High Beam switch again.
Indicates that the washer
fluid level is lowAdd washer fluid.
Indicates that all mainte-
nance according to the
driven distance on the
maintenance schedule
*
should be performed
soon.If necessary, perform
maintenance.
Comes on approxi-
mately 4500 miles
(7200 km) after the
maintenance data has
been reset.
(If equipped)
(U.S.A. only)
Page 775 of 908

7757-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
7
When trouble arises
Wa r n i n g m e s s a g eDetailsCorrection procedure
Indicates that all mainte-
nance is required to cor-
respond to the driven
distance on the mainte-
nance schedule
*.Pe r f o r m t h e n e c e s s a r y
maintenance. Please
reset the maintenance
data after the mainte-
nance is performed
( P. 6 5 8 )
Comes on approxi-
mately 5000 miles
(8000 km) after the
maintenance data has
been reset.
(The indicator will not
work properly unless the
maintenance data has
been reset.)
Indicates that the tire
inflation pressure is lowCheck the tire inflation
pressure, and adjust to
the appropriate level.
Indicates a malfunction in
the tire pressure warning
system
Stop the vehicle in a safe
place and turn the
“START STOP ENGINE”
<“POWER”> switch off
then on again.
If the tire pressure
warning indicator
flashes for 1 minute
then illuminates, there
is a malfunction in the
system. Have the vehi-
cle inspected at your
Lexus dealer.
(U.S.A. only)
Page 776 of 908

7767-2. Steps to take in an emergency
ES350 300h_OM_OM33A01U_(U)
*: Refer to the separate “Scheduled Maintenance” or “Owner’s Manual Supple-ment” for the maintenance interval applicable to your vehicle.
Wa r n i n g m e s s a g eDetailsCorrection procedure
Indicates that the tire
position information can-
not be recognized
Drive for a short while
and check if the display
updates. If the radio wave condi-
tions improve, the dis-
play may return to
normal. If the tire pres-
sure is still not dis-
played after driving for
several minutes, stop
the vehicle in a safe
place, turn the “START
STOP ENGINE”
<“POWER”> switch off
then on again, and start
driving.
If the tire pressure is still
not displayed even
after repeating this sev-
eral times, have the
vehicle inspected at
your Lexus dealer.
Indicates that the pre-col-
lision system is not cur-
rently functional because
the grille cover or the
sensor is dirtyThis message also
appears when the pre-
collision system is not
functional due to over-
heating.
• Check the grille cover and the sensor and
clean them if they are
dirty.
• In case of overheating, the system will become
functional once the sys-
tem cools down.
(Flashes)
(If equipped)