2020 Lexus IS350 maintenance schedule

1062. Instrument cluster
IS350 AWD/IS350/IS300 AWD/IS300_U
■Vehicle settings
■Meter settings
ItemSettingsDetails
Scheduled maintenance
Maintenance data reset
Select to reset the message indicating
maintenance is re quired, after the
required maintenance is performed.
(  P. 462)
Oil maintenance
Engine oil maintenance data reset
Select to reset the engine oil mainte-
nance information (message indicat-
ing maintenance is required and
distance until the next oil change)
after engine oil maintenance is per-
formed. ( P. 477)
ItemSettingsDetails
Language Select to change the language dis-
played.
UnitsSelect to change the units of measure
displayed.
(Eco Driving
Indicator Light)OnSelect to enable/dis able the Eco Driv-
ing Indicator Light. ( P. 109)
Off
Switch settings (except F SPORT mod-
els)Select to display how to change the
top screen.
Drive information 1Select to select up to 2 items that will
be displayed on ea ch Drive informa-
tion screen (Drive information 1
screen, Drive information 2 screen,
and Drive inform ation 3 screen)
respectively.
(Selectable items:  P. 100)
Drive information 2
Drive information 3

461
IS350 AWD/IS350/IS300 AWD/IS300_U
7
Maintenance and care
7-2. Maintenance
General maintenance should be performed on a daily basis. This can be done by
yourself or by a Lexus dealer.
Scheduled maintenance should be perfor med at specified intervals according to
the maintenance schedule.
For details about maintenance items and sc hedules, refer to the “Warranty and Ser-
vice Guide”, “Owner’s Manual Supplement” or “Scheduled Maintenance”.
You can perform some maintena nce procedures by yourself.
Please be aware that do-it-yourself maintenance may affect warranty coverage.
The use of Lexus repair manuals is recommended.
For details about warranty co verage, refer to the separate “Owner’s Guide”, “War-
ranty and Service Guide”, “Owner’s Manu al Supplement” or “Warranty Booklet”.
Maintenance requirements
To ensure safe and economical driving, day-to-day care and regular mainte-
nance are essential. It is the owner’s re sponsibility to perform regular checks.
Lexus recommends the following maintenance:
General maintenance
Scheduled maintenance
Do-it-yourself maintenance

4627-2. Maintenance
IS350 AWD/IS350/IS300 AWD/IS300_U
■Repair and replacement
It is recommended that genuine Lexus parts be used for repairs to ensure performance
of each system. If non-Lexus parts are used in replacement or if a repair shop other than
a Lexus dealer performs repairs, confirm the warranty coverage.
■Resetting the message indicating maintenance is required
After the required maintenanc e is preformed according to the maintenance schedule,
please reset the message.
To reset the message, follow the procedures described below:
Select on the multi-information display. ( P. 103)
Press the or meter control switch on the steering wheel to select “Vehicle
Settings” then “Scheduled Maintenance”. (To confirm setting, press .)
Select “Yes” an d then press .
A message will be displayed on the multi- information display when the reset proce-
dure has been completed.
■Allow inspection and repairs to be performed by a Lexus dealer
●Lexus technicians are well-trained specialists and are kept up to date with the latest ser-
vice information. They are well informed about the operations of all systems on your
vehicle.
●Keep a copy of the repair order. It proves that the maintenance that has been per-
formed is under warranty coverage. If any problem should arise while your vehicle is
under warranty, your Lexus dealer will promptly take care of it.
1
2
3
4

4667-2. Maintenance
IS350 AWD/IS350/IS300 AWD/IS300_U
Vehicle exterior
ItemsCheck points
Doors/trunk• Do the doors/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.
Tires
• Is the tire inflation pressure correct?
• The tires should not be damaged or excessivelyworn.
• Have the tires been rotated according to the mainte- nance schedule?
• The wheel nuts should not be loose.
Windshield wipers
• The wiper blades should no t show any signs of crack-
ing, splitting, wear, contamination or deformation.
• The wiper blades should clear the windshield without
streaking or skipping.
WARNING
■If the engine is running
Turn the engine off and ensure that there is adequate ventilation before performing
maintenance checks.

4857-3. Do-it-yourself maintenance
7
Maintenance and care
IS350 AWD/IS350/IS300 AWD/IS300_U
Check if the treadwear indicators are showing on the tires. Also check the tires
for uneven wear, such as excessive wear on one side of the tread.
Check the spare tire condition and pressure if not rotated.New tread
Worn tread
Treadwear indicator
The location of treadwear indicato rs is shown by a “TWI” or “” mark, etc., molded
into the sidewall of each tire.
Replace the tires if the treadwear indicators are showing on a tire.
Tires
Replace or rotate tires in accordance with maintenance schedules and tread-
wear.
Checking tires
1
2
3

5017-3. Do-it-yourself maintenance
7
Maintenance and care
IS350 AWD/IS350/IS300 AWD/IS300_U
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 cond itioning filter according to the maintenance schedule. In
dusty areas or areas with heavy traffic fl ow, early replacement may be required. (For
scheduled maintenance informat ion, 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.
■Air conditioning filter with deodorizing function
When fragrances are placed in your vehicle, the deodorizing effect may become signifi-
cantly weakened in a short period.
When an air conditioning odor comes out cont inuously, replace the air conditioning filter.
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.

5498-2. Steps to take in an emergency
8
When trouble arises
IS350 AWD/IS350/IS300 AWD/IS300_U
Indicates that the outside temperature is approximately
37F (3 C) or lower
A buzzer also sounds.
 Drive carefully, as the road may be icy.
Indicates that the TRAC (Traction Control) system has
been deactivated
Turn the TRAC on. ( P. 303)
Indicates that the engine oil is scheduled to be changed.
(The indicator will not work properly unless the message
has been reset.)
 Check the engine oil, and change if necessary.
After changing the engine oil, the message should
be reset.
Indicates that all maintenance according to the driven
distance on the maintenance schedule* should be per-
formed soon.
 Comes on approximately 4500 miles (7200 km)
after the message has been reset.
If necessary, perform maintenance. Please reset
the message after the maintenance is performed.
( P. 462)
Indicates that the engine oil should be changed. (After
the engine oil is changed and the message has been
reset.)
 Check and change the engine oil, and oil filter by
your Lexus dealer. After chan ging the engine oil, the
message should be reset. ( P. 477)
Warning messageDetails/Actions

5508-2. Steps to take in an emergency
IS350 AWD/IS350/IS300 AWD/IS300_U
Indicates that all maintenance is required to correspond
to the driven distance on the maintenance schedule*.
 Comes on approximately 5000 miles (8000 km)
after the message has been reset. (The indicator will
not work properly unless the message has been
reset.)
Perform the necessary maintenance. Please reset
the message after the maintenance is performed.
( P. 462)
Indicates that the Automatic High Beam switch is
pressed while the headlights are in low beam.
 Turn the high beam on and press the Automatic
High Beam switch again.
Indicates that, since the VSC (Vehicle Stability Control)
system was turned off, the pre-collision braking and pre-
collision brake assist are stopped (The pre-collision
warning function will be operational)
 Turn the VSC on. ( P. 303)
Indicates that the PCS (Pre -Collision System) is tempo-
rarily unavailable
 When conditions improve, the system resumes
operation. If this message is displayed continuously,
have the vehicle inspected by your Lexus dealer.
Warning messageDetails/Actions