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The manual (driver side) door will only open a few inches, because it thinks the gas cap door is open-a safety feature.

I have a toyota Sienna 2005 minivan. The sliding manual (not power door) door on the driver side is catching on the mechanism build in to stop the door from sliding all the way open when the gas cap door is open. After filling up the other day, and closing the gas cap door, I am no longer able to open up the sliding manual door on the driver side. This has happened before ver randomly and I used to be able to get it to open by manually pushing the little black "release" button on the inside of the gas cap door a few times, but this no longer works. How to fix this? Thank you in advance.

maybe replaceing the cap