CX-30 / Everyday controls
Mazda CX-30: How to open and lock the fuel filler door
2025US
CHECK YOUR CAR2025 Mazda CX-30 US-market digital owner manual; only the equipment and controls described here.
The manual describes a 90-second delay before the filler lid locks after driver-door locking.
THE QUICK ANSWER
Switch power OFF, unlock the driver door and press the fuel-filler lid. After refueling, tighten the cap until it clicks, close the lid, then lock the car.
Step by step
Tick steps as you go. Your progress stays in this tab.
Common questions
Why was the lid still unlocked after I closed it?+
If it was closed after the doors were already locked, the manual says it will not be locked.
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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