2010 Lexus HS250h maintenance schedule

409
4
Maintenance and care
4-2. Maintenance
Maintenance requirements
■Repair and replacement
It is recommended that genuine Lexus parts be used for repairs to ensure perfor-
mance of each system. If non-Lexus parts are used in replacement or if a repair
sho
p other than a Lexus dealer performs repairs, confirm the warranty coverage.
To ensure safe and economical drivin g, day-to-day care and regular main-
tenance are essential. It is the owne r
’s responsibility to perform regular
checks. Lexus recommends performing the following maintenance:
■ General maintenance
General maintenance should be pe r
formed on a daily basis. This
can be done by yourself or by a Lexus dealer.
■ Scheduled maintenance
Scheduled maintenance should be per
formed at specified intervals
according to the maintenance schedule.
For details about maintenance items and schedules, refer to the “War -
ranty and Service Guide”, “Owner’s Manual
Supplement” or “Scheduled
Maintenance”.
■ Do-it-yourself maintenance
You can perform some maintenance procedures by yourself. 
Please be aware that do-it-your self maintenance may af
fect war-
ranty coverage.
The use of Lexus repair manuals is recommended.
For details about warranty coverage, refer to the separate “Owner’s
Guide”, “W
arranty and Service Guide”, “Owner’s Manual Supplement”
or “Warranty Booklet”.

414
4-2. Maintenance
Vehicle exterior
ItemsCheck points
Doors/trunk• Do the doors and trunk operate smoothly?
Engine hood• Does the engine hood lock system work properly?
Fluid leaks
• There should not be any signs of fluid leakage after the vehicle has
been parked.
Ti r e s
• Is the tire inflation pressure cor-
rect?
• The tires should not be damaged or excessively worn.
• Have the tires been rotated according to the maintenance
schedule?
• The wheel nuts should not be loose.
CAUTION
■If the hybrid system is operating
Turn the hybrid system off and ensure that there is adequate ventilation before per-
forming maintenance checks.

437
4-3. Do-it-yourself maintenance
4
Maintenance and care
Tires
Replace or rotate tires in accordance with maintenance schedules and
treadwear.
■Checking tires
New tread
Treadwear indicator
Worn tread
The location of treadwear indi-
cators is shown by the “TWI” or
“ ”

marks, etc., molded on the
sidewall of each tire.
Check spare tire condition and
pr
essure if not rotated.
■ Tire rotation
Rotate the tires in the order
sho
wn.
To equalize tire wear and extend
tire life, Lexus recommends that
tire rotation is carried out at the
same interval as tire inspection.
P225/45R18 91W tires: 
Do not fail to initialize the tire
pr
essure warning system after
tire rotation.
■ Tire pressure warning system
Your vehicle is equipped with a ti r
e pressure warning system that
uses tire pressure warning valves and transmitters to detect low tire
inflation pressure before serious problems arise. ( P. 4 9 5 , 504 ,
505)
Front

451
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Checking interval
Inspect, clean and replace the air conditioning filter according to the maintenance
schedule.
In dusty areas or areas with he avy 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.
Slide and pull out the filter.
Replace the filter with a new
one.
The “ UP” mark shown on the
filter should be pointing up.
■ Cleaning method
If the filter is dirty, clean by blow-
ing compressed air through the
filter fr
om the underside.
Hold the air gun 2 in. (5 cm)
fr
om the filter and blow for
approximately 2 minutes at
72 psi (500 kPa, 5.0 kgf/cm
2
or bar).
If an air gun is not available,
ha
ve the filter cleaned by
your Lexus dealer.

506
5-2. Steps to take in an emergency
(Flashes)
(If equipped)
Indicates that the moon
roof is not fully closed A buzzer also sounds.
(With the “POWER”
switch off, and the
driver's door open)
Close the moon roof.
Indicates that the parking
brake is still engagedIf the vehicle reaches a
speed of 3 mph 
(5 km/h),
flashes and a buzzer
sounds to indicate that
the parking brake is still
engaged.
Release the parking
brake.
Indicates that the washer
fluid level is lowAdd washer fluid.
(U.S.A. only)
Indicates that the engine
oil is scheduled to be
changed
Check the engine oil, and
change if necessary.
Comes on approximately
4500 miles (7200 km)
after the engine oil is
changed. 
(The indicator will not
work properly unless the
oil maintenance data has
been reset.)
Wa r n i n g m e s s a g eDetailsCorrection procedure