Intercooler Water Spray (Wrx-Sti); Windshield Washer Fluid - Subaru 2007 Impreza-WRX Owner's Manual

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Maintenance and service
Intercooler water spray
(WRX-STI)
Add water to the intercooler water spray
tank when the intercooler water spray
warning light in the combination meter
comes on. The warning light comes on
when the water in the tank has decreased
to approximately 0.4 liters (0.4 US qt, 0.4
Imp qt).
The tank is located on the right-hand side
of the trunk.
NOTE
. Use only pure water for refilling.
. In cold weather (when you do not
use the intercooler water spray), keep
the tank half-empty in case the water
freezes. A larger amount of water could
break the tank if it froze.

Windshield washer fluid

If you spray washer fluid on the windshield
but the supply of washer fluid appears to
diminish, check the level of washer fluid in
the tank.