Car Seat Expiration & Manual Lookup
Diono.
Diono is applied to the seat record and Diono help center and product manuals is linked. CalcSpan leaves expiration unknown until product model plus serial/manufacture label and the current instructions are matched, with recall and crash checks kept separate.
Diono profile
Diono is applied to the seat record and Diono help center and product manuals is linked. CalcSpan leaves expiration unknown until product model plus serial/manufacture label and the current instructions are matched, with recall and crash checks kept separate.
- Diono's help center routes to model-specific product manuals; use the exact seat record.
- Diono help center and product manuals is matched with product model plus serial/manufacture label; the brand name alone cannot establish a model's service life or replacement instruction.
Use the Diono route to match the exact restraint record, then enter only the printed expiration or the current manual's model-specific rule; recall, crash, damage and label status remain separate stop gates.
Official verification path
- Open Diono help center and product manuals and match product model plus serial/manufacture label.
- Copy the printed expiration date or the exact model manual's years-from-manufacture rule; keep source confirmation off until the identifiers match.
- Search NHTSA by car-seat brand and model, then stop for an open recall, crash instruction, damage, missing label, missing parts or an unreadable manufacture date.
NHTSA does not require one universal car-seat expiration period. CalcSpan uses only the exact maker label or the current model-specific manual, then applies crash, recall and condition gates. Review note: Finish the label, manual and recall checks.
Context matters.
- Replace a seat after a moderate or severe crash. Continued use after a minor crash requires every NHTSA minor-crash criterion and the manufacturer's instructions to allow it.
- Check NHTSA and the manufacturer for recalls using the exact model number and manufacture date; some recalls have a remedy rather than requiring disposal.
- Never infer suitability from age alone. Missing labels, unknown crash history, missing parts, damage or unavailable instructions can block safe second-hand use.
Sources & scope
The calculation guide and this source trail show what the result means, where the rule came from and when it was last reviewed. This is source-and-calculation QA, not a claim of medical, legal, tax or other professional review; time-sensitive decisions still belong with the linked authority.