Chevrolet 1994 Astro Passenger Owner's Manual page 94

NOTICE:
When using concentrated washer fluid, follow the
manufacturer's instructions for adding water.
Don't mix water with ready-to-use washer fluid. Water can
cause the solution to freeze and damage your washer fluid
tank and other parts of the washer system. Also, water
doesn't clean
as
well as washer fluid.
Fill your washer fluid tank only 3/4 full when it's very cold.
This allows for expansion, which could damage the tank if it is
completely full.
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0
Don't use radiator antifreeze in your windshield washer. It
can damage your washer system and paint.
Rear Window WiperNVasher-Dutch Door
You control your rear
window wipedwasher
from a switch on your
instrument panel, just
left of your steering
column.
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