{
  "schema_version": "compare-page.v2",
  "page_id": "infant-car-seat-base-lifespan-and-replacement",
  "url": "https://robotrunk.com/compare/want/infant-car-seat-base-lifespan-and-replacement",
  "title": "Infant Car Seat Base Lifespan and Replacement",
  "question": "How long does an infant car seat base last before it expires?",
  "answer": "No checked fact gives an expiration period for these bases. The replacement rule that is stated: Cybex SafeLock Base for Aton M: The child restraint and base must be replaced after any crash, even if it was unoccupied.",
  "kind": "car seat accessory",
  "market": "US",
  "generated_at": "2026-10-23T19:40:20.641Z",
  "columns": [
    "Replacement rule",
    "Damage check",
    "Movement check"
  ],
  "notices": {
    "facts": "Every value in the table is a fact RoboTrunk checked, linked to the page it came from. A dash means no checked fact fills that cell.",
    "price": "Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live."
  },
  "cited_facts": [
    {
      "ref": "p1.f9",
      "product": "UPPAbaby Mesa / Mesa V2 Infant Car Seat Extra Base",
      "field": "safety check",
      "value": "The base should not move more than 1 inch side-to-side or front-to-back at the belt path.",
      "stated_as": "Base doesn’t move more than 1\" side-to-side and front-to-back at the belt path.",
      "source_type": "manual",
      "source_url": "https://back.uppababy.com/media/d9/9b/d9/1745851419/1002-MESAV2-ProductManual_240509_US.pdf",
      "source_read_at": "2026-10-21T01:00:21.454Z"
    },
    {
      "ref": "p4.f7",
      "product": "Cybex SafeLock Base for Aton M",
      "field": "crash replacement warning",
      "value": "The child restraint and base must be replaced after any crash, even if it was unoccupied.",
      "stated_as": "ALWAYS REPLACE THE CHILD RESTRAINT\n  AND BASE AFTER A CRASH OF ANY KIND\n  EVEN IF IT WAS UNOCCUPIED.",
      "source_type": "manual",
      "source_url": "https://www.cybex-online.com/on/demandware.static/-/Sites-cybex-master-catalog/default/dw16ba062a/pdfs/manuals/cs-go-aton-m-sensorsafe-3-safelock-base/atom-m-us_us-5b3226982a7fa.pdf",
      "source_read_at": "2026-10-18T16:15:40.432Z"
    },
    {
      "ref": "p4.f11",
      "product": "Cybex SafeLock Base for Aton M",
      "field": "damaged parts warning",
      "value": "Do not use the infant carrier or base if parts are damaged, broken or missing.",
      "stated_as": "NEVER USE INFANT CARRIER OR BASE\n  IF IT HAS DAMAGED, BROKEN\n  OR MISSING PARTS.",
      "source_type": "manual",
      "source_url": "https://www.cybex-online.com/on/demandware.static/-/Sites-cybex-master-catalog/default/dw16ba062a/pdfs/manuals/cs-go-aton-m-sensorsafe-3-safelock-base/atom-m-us_us-5b3226982a7fa.pdf",
      "source_read_at": "2026-10-18T16:15:40.432Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/817232052285",
      "name": "Cybex SafeLock Base for Aton M",
      "url": "/products/ucp/megababiesusa-com/817232052285",
      "why": "The child restraint and base must be replaced after any crash, even if it was unoccupied.",
      "cells": [
        {
          "column": "Replacement rule",
          "fact": {
            "field": "crash replacement warning",
            "value": "The child restraint and base must be replaced after any crash, even if it was unoccupied.",
            "stated_as": "ALWAYS REPLACE THE CHILD RESTRAINT\n  AND BASE AFTER A CRASH OF ANY KIND\n  EVEN IF IT WAS UNOCCUPIED.",
            "source_type": "manual",
            "source_url": "https://www.cybex-online.com/on/demandware.static/-/Sites-cybex-master-catalog/default/dw16ba062a/pdfs/manuals/cs-go-aton-m-sensorsafe-3-safelock-base/atom-m-us_us-5b3226982a7fa.pdf",
            "source_read_at": "2026-10-18T16:15:40.432Z"
          }
        },
        {
          "column": "Damage check",
          "fact": {
            "field": "damaged parts warning",
            "value": "Do not use the infant carrier or base if parts are damaged, broken or missing.",
            "stated_as": "NEVER USE INFANT CARRIER OR BASE\n  IF IT HAS DAMAGED, BROKEN\n  OR MISSING PARTS.",
            "source_type": "manual",
            "source_url": "https://www.cybex-online.com/on/demandware.static/-/Sites-cybex-master-catalog/default/dw16ba062a/pdfs/manuals/cs-go-aton-m-sensorsafe-3-safelock-base/atom-m-us_us-5b3226982a7fa.pdf",
            "source_read_at": "2026-10-18T16:15:40.432Z"
          }
        },
        {
          "column": "Movement check",
          "fact": null
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "megababiesusa-com",
        "display_name": "megababiesusa.com"
      },
      "product_id": "gid://shopify/Product/727471226941",
      "name": "UPPAbaby Mesa / Mesa V2 Infant Car Seat Extra Base",
      "url": "/products/ucp/megababiesusa-com/727471226941",
      "why": "The base should not move more than 1 inch side-to-side or front-to-back at the belt path.",
      "cells": [
        {
          "column": "Replacement rule",
          "fact": null
        },
        {
          "column": "Damage check",
          "fact": null
        },
        {
          "column": "Movement check",
          "fact": {
            "field": "safety check",
            "value": "The base should not move more than 1 inch side-to-side or front-to-back at the belt path.",
            "stated_as": "Base doesn’t move more than 1\" side-to-side and front-to-back at the belt path.",
            "source_type": "manual",
            "source_url": "https://back.uppababy.com/media/d9/9b/d9/1745851419/1002-MESAV2-ProductManual_240509_US.pdf",
            "source_read_at": "2026-10-21T01:00:21.454Z"
          }
        }
      ]
    }
  ]
}