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468
7-3. Do-it-yourself maintenance
Owner’s Manual_USA_M6718BE_en
The coolant level is satisfactory
if it is between the “MAX” and
“MIN” lines on the reservoir
when the EV system is cold.
Reservoir cap
“MAX” line
“MIN” line
If the level is on or below the “MIN”
line, add coolant up to the “MAX”
line. (P.548)
■ Coolant selection
Only use “SUBARU Super Coolant”
or a similar high quality ethylene gly-
col based non-silicate, non-amine,
non-nitrite, and nonborate coolant
with long-life hybrid organic acid
technology.
“SUBARU Super Coolant” is a mix-
ture of 50% coolant and 50% deion-
ized water. (Minimum temperature: -
31°F [-35°C])
For more details about coolant, con-
tact your SUBARU dealer.
■ If the coolant level drops within
a short time of replenishing
Visually check the radiator, hoses,
power control unit coolant reservoir
caps, drain cock and water pump.
If you cannot find a leak, have your
SUBARU dealer, test the cap and
check for leaks in the cooling sys-
tem.
Check the radiator and con-
denser and clear away any for-
eign objects.
If either of the above parts is
extremely dirty or you are not
sure of their condition, have
your vehicle inspected SUBARU
dealer.
Checking the heater cool-
ant
WARNING
■ When the heater system is
hot
Do not remove the heater coolant
reservoir caps.
The heater system may be under
pressure and may spray hot cool-
ant 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
prevent it from damaging parts or
paint.
Checking the radiator and
condenser
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