Mazda CX-9 Owners Manual > Switches and Controls: Windshield Wipers and
Washer
The ignition must be switched ON to use the wipers. WARNING Use only windshield washer fluid or plain water in the reservoir: Using radiator antifreeze as washer fluid is dangerous. If sprayed on the windshield, it will dirty the windshield, affect your visibility, and could result in an accident. O ...