# Carseats "Expire"?  Why?

**URL:** <https://boards.straightdope.com/t/carseats-expire-why/383954>\
**Category:** Factual Questions\
**Created:** [December 13, 2006, 1:43pm UTC](https://boards.straightdope.com/t/carseats-expire-why/383954 "2006-12-13T13:43:37Z")\
**Posts on this page:** 3\
**Page:** 2

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**Author:** ![fessie](https://avatars.discourse-cdn.com/v4/letter/f/c37758/32.png) [@fessie](https://boards.straightdope.com/u/fessie)\
**Post date:** [December 13, 2006, 10:54pm UTC](https://boards.straightdope.com/t/carseats-expire-why/383954/21 "2006-12-13T22:54:05Z")

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[QUOTE=WhyNot]  
I didn’t know until a few months ago when the last Doper asked why carseats have expiration dates, but sure enough, ours does!  
[/QUOTE]

Doggone it, I tried searching, I swear!

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**Author:** ![hajario](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/hajario/32/171_2.png) [@hajario](https://boards.straightdope.com/u/hajario)\
**Post date:** [December 13, 2006, 11:00pm UTC](https://boards.straightdope.com/t/carseats-expire-why/383954/22 "2006-12-13T23:00:17Z")

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You’re supposed to replace your bike helmet every couple of years too for the same reason.

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**Author:** ![WhyNot](https://avatars.discourse-cdn.com/v4/letter/w/c77e96/32.png) [@WhyNot](https://boards.straightdope.com/u/WhyNot)\
**Post date:** [December 13, 2006, 11:02pm UTC](https://boards.straightdope.com/t/carseats-expire-why/383954/23 "2006-12-13T23:02:18Z")

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[QUOTE=fessie]  
Doggone it, I tried searching, I swear!  
[/QUOTE]

'snot coming up on Search, don’t feel bad. I know it happened, dammit! The hamsters must be getting hungry again.

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