Windshield Washer Fluid; Adding Washer Fluid - GMC 2003 C4C042 Owner's Manual

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.
6-40

Adding Washer Fluid

Open the cap with the washer symbol on it. Add washer
fluid until the tank is full.
Your vehicle has a low
washer fluid light that lets
you know when to add
washer fluid.
The windshield washer
reservoir is located in the
engine compartment on the
driver's side of the vehicle.