Windshield Washer Fluid - Subaru Legacy Outback 2008 Owner's Manual

Windshield washer fluid

If no washer fluid is sprayed when you
press the windshield washer switch, re-
move the washer tank's filler cap and
check the fluid level using the level gauge
on the back of the cap.
Washer fluid level gauge
Reservoir tank
If the fluid level is near the "Low" mark,
add washer fluid until it reaches the "Full"
mark on the reservoir tank or the "Hi" mark
on the level gauge.
Maintenance and service
Use windshield washer fluid. If windshield
washer fluid is unavailable use clean
water.
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 tem-
perature varies according to how much it
is diluted, as indicated in the following
table.
Washer Fluid Con- Freezing Tempera-
centration
−128C (10.48F)
30%
−208C (−48F)
50%
−458C (−498F)
100%
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
the concentration of the fluid remaining in
the piping is too low for the outside
temperature, it may freeze and block the
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ture