Lexus LS 500h 2019 Owner's Manual page 486

484 6-3. Do-it-yourself maintenance
WARNING
When adding washer fluid
■
Do not add washer fluid when the hybrid
system is hot or operating as washer fluid
contains alcohol and may catch fire if
spilled on the engine, etc.
NOTICE
Do not use any fluid other than
■
washer fluid
Do not use soapy water or engine anti-
freeze instead of washer fluid.
Doing so may cause streaking on the
vehicle's painted surfaces, as well as
damaging the pump leading to problems
of the washer fluid not spraying.
Diluting washer fluid
■
Dilute washer fluid with water as neces-
sary.
Refer to the freezing temperatures listed
on the label of the washer fluid bottle.
Checking the air cleaner filter
Check the air cleaner filter as follows:
Remove the engine compartment
1
cover. (P.479)
2 Release the clips.
LS500h_OM_General_OM50J66E
3 Lift the filter case.
Take out the air cleaner filter.
4
Inspect the outer surface of the filter,
and replace the filter if it is extremely
dirty. If the filter is only moderately
dusty, use compressed air to blow dust
out of the filter.
WARNING
To prevent inhaling dust
■
Wear a respirator when using com-
pressed air to clean the air cleaner filter.
NOTICE
To prevent damaging the engine
■
Do not drive with the air cleaner filter
removed. Doing so causes excessive
engine wear.