How do you keep your windshield from fogging up? Written by admin on February 25, 2023. Posted in A/C system leaks. How do you keep your windshield from fogging up? Share this:TwitterFacebookMoreEmailWhatsAppLike this:Like Loading... Tags: clogged up drain tube, clogged up heater core, damaged heater core, leaky heater core, Windshield fogs up Previous Next