Cadillac 2010 STS Owner's Manual

Also see for 2010 STS: Brochure Owner's manual

Windshield Washer FluidWhat to UseWhen you need windshield washer fluid, be sureto read the manufacturer's instructions before use.If you will be operating your vehicle in an area wherethe temperature may fall below freezing, use a fluidthat has sufficient protection against freezing.Adding Washer FluidThe CHECK WASHER FLUID message will appear onthe Driver Information Center (DIC) when the fluid levelis low. See DIC Warnings and Messages on page 4‑76for more information.Open the cap with thewasher symbol on it.Add washer fluid until thetank is full. See EngineCompartment Overviewon page 6‑13 forreservoir location.Notice:. When using concentrated washer fluid,follow the manufacturer's instructions foradding water.. Do not mix water with ready-to-use washerfluid. Water can cause the solution to freezeand damage the washer fluid tank and otherparts of the washer system. Also, water doesnot clean as well as washer fluid.. Fill the washer fluid tank only three-quartersfull when it is very cold. This allows for fluidexpansion if freezing occurs, which coulddamage the tank if it is completely full.. Do not use engine coolant (antifreeze) inthe windshield washer. It can damage thevehicle's windshield washer system andpaint.6-36