CX-30 / Everyday controls
Mazda CX-30: How to clear fog from the front windshield
CHECK YOUR CAR2025 Mazda CX-30 US-market digital owner manual; only the equipment and controls described here.
Do not lower the airflow temperature during defrosting; the outside glass can frost and reduce visibility.
THE QUICK ANSWER
Press the windshield-defroster switch on the automatic climate panel. The system selects fresh air and turns on air-conditioning dehumidification; increase heat and airflow if needed.
Step by step
Tick steps as you go. Your progress stays in this tab.
Common questions
Does the A/C run even when I want warm air?+
Yes. In defrost mode it provides dehumidification while the selected airflow temperature can remain warm.
SOURCES & SCOPE
Where this guide comes from
Written from the official references below, reviewed on 25 October 2026. This is a source-based guide, not a claim of hands-on vehicle testing.
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