Add Windshield Wiper / Washer Fluid: 2025 Mazda CX-90 PHEV 2.5L 4 Cyl. PHEV

Adding windshield washer fluid to your 2025 Mazda CX-90 is a fairly straightforward process. The video above shows you where the window washer fluid reservoir is located in your CX-90, how to remove the reservoir cap and how to refill the windshield wiper / washer fluid. The nice thing about adding windshield washer fluid is that you can't overfill the reservoir - once it's full, you can stop adding fluid!