GMC 2003 Envoy - Manual (Page 332)

Windshield Washer Fluid
What to Use
When you need uyiridshield iA;asher [lulJf t№ suie to read
the manufacturer's instructions before use, if you will tpa
operating your vehicle in an area where the temperature
may lall bebw (reejing^ use a (tuid lhat has sutticienl
protection against freezing Soo
Engino Comp^rSment
Ov^iview pnpsge 5-l^ior reservoir location.
Adding Washer Fluid
open the cap wilh ihe
washer symbol on it.
Add washer fluid until
!he tank is full.
PJoUce:
When using concentnated washer fluid,
follow the manufacturer's Instructions for
adding water.
Don't mJx water with readv4o-usD washer fluid.
Water can cause the solution lo 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 three-quarters
Full when It's very cold. This allows for
expansion tf freezing оссигзн which could
damage the tank if it is completely full.
Don't use engine coolant (antifreeze) in your
windshield washer. It can damage your
washer system and paint.
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