Is the Diono MONTEREY 4DXT car seat recalled?

Yes. Transport Canada has 1 recall on record for the Diono MONTEREY 4DXT car seat. The latest, recall 2021500 from July 23, 2021, covers model years 2020, 2021: Issue: The text used on the date of manufacture label is too small.

Recall 2021500: model years 2020, 2021

What's wrong: Issue: The text used on the date of manufacture label is too small. Canadian regulations require certain text on labels to be of a minimum size. Safety Risk: The small text size used is unlikely to affect safety. Corrective Actions: This is not a recall. Owners can continue to use their seat. The company has made changes to correct the text size on new labels. Owners should contact the company if they have any questions about how to use the seat.

Published July 23, 2021. Read the official notice

How do I know if my Diono MONTEREY 4DXT is affected?

Check the label on the side, back or bottom of the seat for the model number and date of manufacture, and compare them with the model years and dates in the official notice.

Is the fix free?

Recall remedies are free from the maker. The official notice lists how to get it, and Recallify can contact the maker for you.

Owner complaints in the US

NHTSA, the US road safety regulator, has 1 owner complaint on file that mention Diono "Monterey" car seats (US reports since 1995, most recent 2026). Complaints are owners' reports, not confirmed defects, and US and Canadian models can differ. Search NHTSA

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