Lexus ES 300h Owner's Manual page 409

408
6-3. Do-it-yourself maintenance
WARNING
When the hybrid system is hot
■
Do not remove the engine cool-
ant/power control unit coolant reservoir
caps or the coolant inlet cap. (P.482)
The cooling system may be under pres-
sure and may spray hot coolant if the cap
is removed, causing serious injuries, such
as burns.
NOTICE
When adding coolant
■
Coolant is neither plain water nor
straight antifreeze. The correct mixture
of water and antifreeze must be used to
provide proper lubrication, corrosion
protection and cooling. Be sure to read
the antifreeze or coolant label.
If you spill coolant
■
Be sure to wash it off with water to pre-
vent it from damaging parts or paint.
Checking the radiator and con-
denser
Check the radiator and condenser and
clear away any foreign objects.
If either of the above parts is extremely
dirty or you are not sure of their condi-
tion, have your vehicle inspected by
your Lexus dealer.
WARNING
■ When the hybrid system is hot
Do not touch the radiator and condenser
as they may be hot and cause serious
injuries, such as burns.
Adding the washer fluid
If any washer does not work or "Wind-
shield Washer Fluid Low" is shown on
the multi-information display, the
washer tank may be empty. Add
washer fluid.
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: