Maintenance and service
Windshield washer fluid
11-41
In areas where water freezes in winter,
use an anti-freeze type windshield washer
fluid. SUBARU Windshield Washer Fluid
contains 58.5% methyl alcohol and 41.5%
surfactant, by volume. Its freezing temperature varies according to how much it
is diluted, as indicated in the following
table.
CAUTION
Never use engine coolant as washer
fluid because it could cause paint
damage.
Washer Fluid
Concentration
Freezing
Temperature
30%
10.48F (−128C)
50%
−48F (−208C)
100%
−498F (−458C)
CAUTION
Never use engine coolant as washer
fluid because it could cause paint
damage.
If you spray washer fluid on the windshield
but the windshield washer fluid warning
light illuminates or the supply of washer
fluid runs out, add washer fluid in the tank.
Remove the washer tank filler cap, then
add fluid until it reaches the “FULL” mark
on the tank.
Use windshield washer fluid. If windshield
washer fluid is unavailable use clean
water.
In order to prevent freezing of washer
fluid, check the freezing temperatures in
the table above when adjusting the fluid
concentration to the outside temperature.
If you fill the reservoir tank with a fluid with
a different concentration from the one
used previously, purge the old fluid from
the piping between the reservoir tank and
washer nozzles by operating the washer
for a certain period of time. Otherwise, if
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