GMC 2003 C4C042, Owner'S Manual, Page: 295 / 386

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NOTICE:
D When using concentrated washer fluid,
follow the manufacturer’s instructions for
adding water.
D 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.
D Fill your washer fluid tank only
three
-
quarters full when it’s very cold.
This allows for expansion if freezing occurs,
which could damage the tank if it is
completely full.
D Don’t use engine coolant (antifreeze) in
your windshield washer. It can damage
your washer system and paint.
Brakes
Brake Fluid
If your vehicle has hydraulic brakes, there’s a brake
master cylinder. Refer to the Maintenance Schedule to
determine when to check your brake fluid.
CAUTION:
Don’t add brake fluid before you check the level.
If you do, you could get too much brake fluid.
Brake fluid could spill on the hot engine and it
can catch fire. You could be burned and your
vehicle could be damaged. See “Checking Brake
Fluid” in this section.