The expiration date is printed on a label attached to the car seat frame, usually on the back or bottom

Car seats have expiration dates because the plastic and foam materials degrade over time, making them less able to protect a child in a crash. The manufacturer prints this date on a permanent label that stays with the seat for its entire life. You do not have to hunt for it — it is meant to be visible and straightforward to find.

The label is typically a white or silver sticker affixed directly to the plastic shell of the seat. On most models, it sits on the back of the seat where the seat meets the vehicle seat, or on the underside of the base. Some manufacturers place it on the side panel. The date is printed clearly as a month and year — for example, "Expires 06/2028" or "Do Not Use After June 2028".

If the label has worn away or become unreadable, you can also find the expiration date in the car seat's instruction manual. The manual lists the manufacture date and the expiration period (usually six to ten years from manufacture). You can request a replacement manual from the manufacturer's website using your car seat model number, which is also printed on the seat itself.

Key Takeaways

  • The expiration date label is permanently attached to the car seat frame, most often on the back or bottom where it contacts the vehicle seat.
  • The date appears as a month and year, such as "Expires 06/2028", and tells you the last month the seat is safe to use.
  • If the label is damaged or missing, the instruction manual contains the manufacture date and expiration period so you can calculate when the seat expires.
  • Using a car seat past its expiration date means the materials may not absorb crash impact the way they were designed to, reducing protection in a collision.

Why car seats expire and what happens to the materials

Plastic and foam do not last forever. The plastic shell becomes brittle and more prone to cracking under impact. The foam padding, which absorbs energy during a crash, breaks down and loses its ability to cushion. UV light from sun exposure, temperature swings, and normal wear all speed up this process. A car seat that has been in a hot vehicle for years will degrade faster than one stored in a cool garage.

The expiration date is not arbitrary — it is based on testing by the manufacturer and safety standards set by the National Highway Traffic Safety Administration (NHTSA). The seat was tested and certified to protect a child for a specific number of years under normal use. After that window closes, the manufacturer can no longer may provide the seat will perform as designed in a crash.

This does not mean the seat becomes dangerous the day after it expires. It means the protection level drops below what was promised and tested. In a real crash, an expired seat might not absorb impact as well, potentially allowing a child to experience greater force. That is why expiration dates exist — to keep a clear boundary between seats that meet safety standards and those that do not.

How to read the date format on different car seat brands

Most major brands — Graco, Chicco, Britax, Evenflo, Safety 1st — use a straightforward month-and-year format. You will see "Expires 03/2027" or "Do Not Use After March 2027". Some labels include the manufacture date as well, shown as "Manufactured 03/2017" with the expiration date listed separately below it.

A few brands use a slightly different layout. Some print the expiration date as a single line of text on the label, while others use a box or highlighted section to make it stand out. The key is to look for the words "expires," "expiration," or "do not use after" — these phrases always precede the date you need.

If you own a convertible or all-in-one seat that transitions from rear-facing to forward-facing, the expiration date applies to the entire seat. You do not replace it when the child moves to forward-facing mode — the same seat expires on the same date regardless of how it is used.

What to do if the label is faded, peeling, or missing

A worn label does not mean the seat is unsafe to use right now — it just means you need another way to find the expiration date. Start by locating the model number on the seat. This is usually printed on a label separate from the expiration date, often on the side or bottom of the seat, or stamped into the plastic itself. Write down the complete model number.

Go to the manufacturer's website and look for a "manuals" or "support" section. Enter your model number and read the instruction manual as a PDF. The manual will list the manufacture date and the expiration period (for example, "This seat expires 10 years from the date of manufacture"). You can then calculate the expiration date yourself. If the website does not have the manual, call the manufacturer's customer service line — the number is usually on the seat or in any paperwork you kept from purchase.

If you cannot find the model number or the manual, contact the manufacturer directly with a photo of the seat. They can often identify the model and tell you the expiration date based on the seat's appearance and any visible serial numbers.

Checking expiration before buying a used car seat

If you are considering a used car seat, always check the expiration date before you take it home. A used seat that is still within its expiration window is generally safe, but one that has already expired should not be used. There is no way to know how the seat was stored, whether it was in a crash, or how much sun damage it has sustained.

Look at the label carefully. If the date has passed, walk away from the purchase. A cheap used seat is not worth the risk — if you cannot afford a new one, look into car seat lending libraries in your area, which loan seats for free or a small fee. Many hospitals, fire departments, and community organizations run these programs.

Also ask the seller how old the seat is and whether it has ever been in a crash. Even if the expiration date is years away, a seat that was in an accident should not be reused. The impact may have damaged the internal structure in ways you cannot see.

Keeping track of your car seat's expiration date

Write the expiration date on your phone calendar or a family calendar where you will see it. Set a reminder for three months before the date so you have time to research and purchase a replacement. This prevents the situation where you suddenly realize the seat has expired and you need a new one when ready.

If you have multiple children and multiple car seats, keep a straightforward list with each child's name, the car seat model, and its expiration date. Store this list in your phone or on your refrigerator. When one seat expires, you know exactly which one needs to be replaced and whether you can move a younger child into a different seat.

When the expiration date arrives, do not donate or sell the seat without clearly marking it as expired. Some people do not check dates and may use it anyway. The safest option is to recycle the seat through a manufacturer take-back program if available, or cut off the label and dispose of it so no one can use it.

Frequently Asked Questions

Can I use a car seat one month after it expires?

No. The expiration date is a hard stop, not a guideline. Once that month ends, the seat no longer meets safety standards. The materials have degraded past the point the manufacturer tested and certified. You need a new seat before that date arrives.

Does the expiration date change if I store the seat in a cool, dry place?

No. The expiration date is fixed from the manufacture date, regardless of storage conditions. A seat stored perfectly will still expire on the same date as one used every day. The manufacturer sets the expiration based on how long the materials hold up under normal conditions, and storage does not change that timeline.

What if I cannot find the expiration date anywhere on my car seat?

Contact the manufacturer with the car seat model number and a photo. They can tell you the manufacture date and expiration period, allowing you to calculate when the seat expires. If you cannot locate the model number, the seat is too old or damaged to identify safely, and you should replace it.

Can I use an expired car seat if I am just driving to the store?

No. Crashes happen on short trips as often as long ones. An expired seat offers reduced protection in any crash, regardless of distance. If the seat has expired, it should not be in the vehicle with a child.

Do booster seats have expiration dates too?

Yes. Booster seats have the same expiration date label as convertible and infant seats. Check the label on the booster the same way you would check any other car seat, and replace it when the date passes.