Pontiac 1997 Grand Prix Owner's Manual page 302

Windshield Washer Fluid
What to Use
When you need windshield washer fluid, be sure to read
the
manufacturer's instructions before
use. If
you will be
operating your vehicle in an area where the temperature
may fall below freezing, use a fluid that has sufficient
protection against freezing.
Your vehicle may be equipped with one of the following
windshield washer fluid reservoirs.
Adding Washer Fluid
Open
the
cap labeled WASHER FLUID ONLY. Add
washer fluid until the tank is full.
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