Windshield Washer Fluid

What to Use

When the vehicle needs windshield washer fluid, be sure to read the manufacturer’s instructions before use.

If the vehicle will be operating 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

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 your 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 your windshield washer. It can damage the vehicle’s windshield washer system and paint.

    See also:

    Starting the Engine
    Move the shift lever to P (Park) or N (Neutral). The engine will not start in any other position. To restart the engine when the vehicle is already moving, use N (Neutral) only. Notice: Do n ...

    Customer Assistance Offices
    Buick encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail Buick, the letter should be addressed to: United States Buick Customer Assis ...

    Lockout Protection
    This feature protects you from locking the key in the vehicle when the key is in the ignition and a front door is open. If the driver side power door lock switch is pressed when the driver door is ...