Add Windshield Wiper / Washer Fluid: 2021 Ford Transit-350 HD XLT 3.5L V6 FlexFuel

Adding windshield washer fluid to your 2021 Ford Transit-350 HD is a fairly straightforward process. The video above shows you where the window washer fluid reservoir is located in your Transit-350 HD, 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!