Buick LaCrosse: Washer Fluid - Vehicle Checks - Vehicle Care - Buick LaCrosse Owners ManualBuick LaCrosse: Washer Fluid

What to Use

When windshield washer fluid is needed, be sure to read the manufacturer's instructions before use. If operating the vehicle in an area where the temperature may fall below freezing, use a fluid that has sufficient protection against freezing.

Adding Washer Fluid

Open the cap with the washer

Open the cap with the washer symbol on it. Add washer fluid until the tank is full. See Engine Compartment Overview for reservoir location.

Notice. When using concentrated washer fluid, follow the manufacturer's instructions for adding water.
• Do not mix water with ready-to-use washer fluid.

Water can cause the solution to freeze and damage the washer fluid tank and other parts of the washer system.
Also, water does not clean as well as washer fluid.
• Fill the washer fluid tank only three-quarters full when it is very cold. This allows for fluid expansion if freezing occurs, which could damage the tank if it is completely full.
• Do not use engine coolant (antifreeze) in the windshield washer. It can damage the windshield washer system and paint.

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