Do Car Seats Expire? How to Find the Date and When to Replace Yours

Yes, car seats expire. The date comes from the manufacturer, not from a law, and it's usually somewhere between 6 and 10 years after the seat was made. Britax gives its infant seats 6 years and its convertible seats 10 (Britax). Graco says its seats last "typically 7 to 10 years" (Graco).

The catch is the timing. You buy the seat before the baby arrives, and it expires when the child is in preschool or has a younger sibling using it. Nobody remembers a date set that far ahead. Here's how to find yours, what the limits really mean, and the few reminders that cover a seat for its whole life.

How to find your car seat's expiration date

1. Find the label. Every seat has a sticker with the date of manufacture (DOM). Britax says labels can sit on the underside of the seat, inside storage compartments, under the headrest, or under the cover. On infant seats, check the base as well as the carrier (Britax).
2. Look for a printed expiry date. Newer seats often print the expiration date right on the label.
3. If you only see the DOM, add the seat's lifespan. The lifespan is in the manual's safety section, and some brands stamp it into the plastic. Graco puts it simply: "Date of Manufacture + Useful Life = Car Seat Expiration Date." Its own example: a booster made on 15 March 2020 with a 10-year life expires on 15 March 2030 (Graco).

The American Academy of Pediatrics gives the same advice: "Look on the label for the date the seat was made. Check with the manufacturer to find out how long it recommends using the seat" (AAP, HealthyChildren.org).

Typical lifespans by seat type

These are from two major brands. Your seat's own label or manual is what counts.

Seat type	Britax	Graco
Infant seat	6 years	7 or 10 years, by frame*
Convertible seat	10 years	7 or 10 years, by frame*
All-in-one	10 years	7 or 10 years, by frame*
Harness-to-booster	9 years	7 or 10 years, by frame*
Belt-positioning booster	10 years	10 years

*Graco gives 10 years to boosters and to seats with a steel-reinforced belt path, and 7 years to seats with a plastic-reinforced belt path. Sources: Britax, Graco.

The clock starts on the date of manufacture, not the day you bought it. A seat that sat in a warehouse for a year has a year less left when it reaches you.

Why seats expire at all

Brands give two reasons. Materials age: Britax says they "can start to age and weather, particularly when exposed to a wide range of temperatures", and a car goes from freezing to baking every year. And safety standards keep moving, so a 10-year-old design may not match what's expected now (Britax; Graco).

Three things that retire a seat before its date

A moderate or severe crash. NHTSA recommends replacing car seats after a moderate or severe crash. A seat doesn't automatically need replacing after a minor one, but a crash only counts as minor if all of these are true (NHTSA):

• The vehicle could be driven away from the crash site.
• The door nearest the car seat wasn't damaged.
• Nobody in the vehicle was injured.
• The air bags (if any) didn't deploy.
• There's no visible damage to the car seat.

The AAP adds that some manufacturers recommend replacing a seat after any crash, even a minor one, so check your manual (AAP).

A recall. You only hear about one if the manufacturer knows how to reach you. Fill in the registration card that came with the seat or register on the manufacturer's website. You can also sign up with NHTSA for e-mail alerts about car seat and booster seat recalls (NHTSA).

An unknown history. The AAP's advice is to "avoid used car seats if you don't know the seat's history". For a hand-me-down from someone you trust, check the label date before you say yes. A free seat with eight months left is a short loan.

Your child outgrows it too

Expiry isn't the only deadline on a seat. Each one has height and weight limits, and NHTSA's guidance is built around them (NHTSA):

• Rear-facing: children under 1 should always ride rear-facing, and stay rear-facing until they reach the seat's maximum height or weight.
• Forward-facing with a harness: until the child reaches that seat's maximum height or weight, then a booster.
• Booster: until the seat belt fits properly, with the lap belt low across the upper thighs (not the stomach) and the shoulder belt across the chest and shoulder (not the neck). The AAP says that's typically at 4 feet 9 inches and 8 to 12 years old (AAP).
• Back seat: all children under 13 (AAP).

Kids grow in spurts, so it's worth checking against the limits on the label every few months rather than waiting until the harness looks tight. If you're unsure whether a seat is fitted right, NHTSA lists car seat inspection stations where a technician will check it (NHTSA).

The reminders worth setting

Do this once, the day the seat comes out of the box (or today, for the seats you already have):

1. Register the seat. It takes five minutes and doesn't need a reminder. Just do it now.
2. A reminder 2-3 months before each seat's expiry date. Enough time to research, wait for a sale and get the new seat fitted. Write the date down per seat: the infant seat, the grandparents' spare and the booster will all expire at different times.
3. A check every 3 months: your child's height and weight against the limits on the label. This is what tells you when to switch seats, and it's the one people forget.
4. Before you accept or buy a used seat: the label date, the crash history and the recall list.

If you have more than one child, the seats get handed down. Check the expiry date at each hand-down rather than assuming the seat has years left.

Let your phone ring for it

An expiry date six years away is exactly what a calendar loses. ReminderIt calls your phone at the time you choose and reads your reminder out loud. If you miss the call, the reminder comes to you on WhatsApp instead. You can set reminders up just by messaging ReminderIt on WhatsApp, for example:

• "Call me on 15 January 2027 at 7 pm: Maya's infant car seat expires on 15 March 2027. Start looking for the next seat."
• "Call me on the 1st of every third month at 10 am: check the kids' height and weight against their car seat limits."
• "Call me on 1 June 2029 at 6 pm: the booster in the second car expires in August. Order a replacement."

If grandparents or a regular babysitter keep a seat in their car, you can add them as someone you remind, so the call goes to their phone. They get a short verification call first to confirm they're happy to receive reminders.

There's a 7-day free trial with 7 reminder calls (3 if your number is in a country where calls cost more to place). After that, it's one plan at $7 a month (₹299 in India).

For more on keeping a family's schedule straight, see our guides to reminder calls for parents of young children, the school run and carpool rota and car and home insurance renewals.

The short answer

Car seats expire, usually 6 to 10 years after the date of manufacture, depending on the brand and seat type. Find the date on the label (or add the lifespan from the manual to the manufacture date), register the seat so you hear about recalls, and replace it after any moderate or severe crash. Then set one reminder a few months before each seat's expiry date and a check every 3 months on your child's height and weight. Those two dates are what decide when the seat comes out of the car.

Sources: NHTSA: Car Seats and Booster Seats, NHTSA: Car Seat Use After a Crash, American Academy of Pediatrics (HealthyChildren.org): Car Seats, Information for Families, Graco: When Do Car Seats Expire? and Britax: Car Seat Expiration and Date of Manufacture.