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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallA car seat’s date-of-manufacture label tells you when it was made—not when it expires. To find out whether a seat is still within its useful life, check the seat itself or its manual for the manufacturer’s “do not use after” date or useful-life instructions. Expiration periods vary by model; there is no single period that applies to every car seat.
What information is on a car seat label?
Federal labeling requirements described by the National Highway Traffic Safety Administration (NHTSA) call for permanent labels with identifying information, including the manufacturer, model, and month and year of manufacture. These details help you identify the exact seat, check its instructions, and look for recall information. NHTSA explains the labeling requirements.
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Manufacturer and model
Use the manufacturer name and model information to find the correct manual and any recall notices. Do not rely on a generic label or safety badge to identify the seat or explain every warning; consult the instructions for that specific model.
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Date of manufacture
The date of manufacture (DOM) is the month and year the seat was made. NHTSA says this date is required on the label and can help establish the seat’s age and identify it for a recall. It is not, by itself, an expiration date. NHTSA’s interpretation of the manufacture-date requirement and its used-seat safety checklist explain how the date is used.
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Warnings and child-fit limits
Follow the warnings and instructions printed on the seat and in its manual. Check the seat’s height and weight limits against your child’s size, and consult your vehicle owner’s manual for installation guidance. NHTSA’s car seat and booster seat guidance covers choosing and using a restraint.
Registration details
Register the seat using the included card or the manufacturer’s registration site. Registration helps the manufacturer contact you about recalls or safety notices; NHTSA also provides recall information and alerts through its car seat guidance.
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How do you find out whether a car seat has expired?
- Find the DOM. Look for the month and year on the seat’s label.
- Find the useful-life instructions. Check the seat for a stamped or printed “do not use after” date or useful-life marking. If it is not clear, consult the manual for the exact model.
- Apply the manufacturer’s calculation. Follow the instructions for that seat; do not assume another brand or model uses the same lifespan or calculation.
Federal labeling requirements establish the need for a manufacture date, not one universal expiration period. For example, Graco’s undated manufacturer guidance gives useful-life periods of 10 years for belt-positioning boosters and harnessed seats with steel-reinforced belt paths, and 7 years for harnessed seats with plastic-reinforced belt paths. Those examples apply to the Graco categories described—not to car seats generally. Graco advises owners to check the particular seat’s manual or stamped marking and explains how to calculate the end date from the manufacture date. See Graco’s useful-life guidance.
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How do you check a used or hand-me-down car seat?
Age is only one part of the decision. NHTSA’s checklist recommends checking the seat’s history, labels, recall status, parts, and instructions before using it. Work through these checks:
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- Height-adjustable armrests for your child's comfort
- Confirm that it has not been in a moderate-to-severe crash.
- Make sure the model and manufacture-date labels are readable.
- Check whether the seat has an unresolved recall. If it does, contact the manufacturer to ask whether a remedy is available.
- Confirm that all parts are present and that you have the instruction book. Contact the manufacturer if parts or the manual are missing.
Use NHTSA’s used car seat safety checklist for the complete review. Register a usable seat so the manufacturer can reach you about future notices.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What should you do if the seat is expired or does not fit?
Stop using a seat once it reaches the end of its manufacturer-stated useful life, or if it otherwise fails the checks above. Choose a replacement based on your child’s age and size, the replacement seat’s height and weight limits, and compatibility with your vehicle. Follow the replacement seat’s installation instructions and your vehicle manual. NHTSA’s car seat guidance explains how to choose and use a seat appropriate for a child.
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- Convertible car seat grows with your child from rear-facing harness (4-50 lb) to forward-facing harness (26.5-65 lb)
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