{
  "schema_version": "compare-page.v2",
  "page_id": "infant-car-seat-bases-with-a-built-in-belt-tensioner",
  "url": "https://robotrunk.com/compare/want/infant-car-seat-bases-with-a-built-in-belt-tensioner",
  "title": "Infant car seat bases with a built-in belt tensioner",
  "question": "Which infant car seat bases include a built-in belt tensioner to help tighten a seat belt installation?",
  "answer": "Britax StayTight Infant Car Seat Base: A built-in seat belt tensioner takes care of tensioning and tightening. An automatic lock-off locks the vehicle seat belt for a simple, secure installation.\n\nMaxi Cosi Ambra Infant Car Seat Base: TensionFix is a red-to-green indicator that shows when the vehicle belt has tension.",
  "kind": "car seat base",
  "market": "US",
  "generated_at": "2026-10-23T01:56:57.644Z",
  "columns": [
    "Built-in belt tensioner",
    "Belt tension indicator",
    "Lock-off"
  ],
  "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.f4",
      "product": "Britax StayTight Infant Car Seat Base",
      "field": "Seat belt tensioner",
      "value": "A built-in seat belt tensioner takes care of tensioning and tightening.",
      "stated_as": "BUILT-IN SEAT BELT TENSIONER: Takes care of the tensioning and tightening.",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-07T19:40:12.339Z"
    },
    {
      "ref": "p1.f5",
      "product": "Britax StayTight Infant Car Seat Base",
      "field": "Lock-off",
      "value": "An automatic lock-off locks the vehicle seat belt for a simple, secure installation.",
      "stated_as": "AUTOMATIC LOCK-OFF: Locks the vehicle seat belt for a simple and secure installation.",
      "source_type": "listing",
      "source_url": "https://strolleria.myshopify.com/products.json",
      "source_read_at": "2026-10-07T19:40:12.339Z"
    },
    {
      "ref": "p5.f9",
      "product": "Maxi Cosi Ambra Infant Car Seat Base",
      "field": "Tension indicator",
      "value": "TensionFix is a red-to-green indicator that shows when the vehicle belt has tension.",
      "stated_as": "TensionFix™, our red-to-green indicator that shows you when your belt has tension",
      "source_type": "guide",
      "source_url": "https://maxicosi.com/collections/car-seats/products/ambra-infant-car-seat-base-ic437",
      "source_read_at": "2026-10-14T22:35:36.474Z"
    }
  ],
  "rows": [
    {
      "rank": 1,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/8416923582538",
      "name": "Britax StayTight Infant Car Seat Base",
      "url": "/products/ucp/strolleria-com/8416923582538",
      "why": "A built-in seat belt tensioner takes care of tensioning and tightening.",
      "cells": [
        {
          "column": "Built-in belt tensioner",
          "fact": {
            "field": "Seat belt tensioner",
            "value": "A built-in seat belt tensioner takes care of tensioning and tightening.",
            "stated_as": "BUILT-IN SEAT BELT TENSIONER: Takes care of the tensioning and tightening.",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-07T19:40:12.339Z"
          }
        },
        {
          "column": "Belt tension indicator",
          "fact": null
        },
        {
          "column": "Lock-off",
          "fact": {
            "field": "Lock-off",
            "value": "An automatic lock-off locks the vehicle seat belt for a simple, secure installation.",
            "stated_as": "AUTOMATIC LOCK-OFF: Locks the vehicle seat belt for a simple and secure installation.",
            "source_type": "listing",
            "source_url": "https://strolleria.myshopify.com/products.json",
            "source_read_at": "2026-10-07T19:40:12.339Z"
          }
        }
      ]
    },
    {
      "rank": 2,
      "merchant": {
        "slug": "strolleria-com",
        "display_name": "strolleria.com"
      },
      "product_id": "gid://shopify/Product/8419795042378",
      "name": "Maxi Cosi Ambra Infant Car Seat Base",
      "url": "/products/ucp/strolleria-com/8419795042378",
      "why": "TensionFix is a red-to-green indicator that shows when the vehicle belt has tension.",
      "cells": [
        {
          "column": "Built-in belt tensioner",
          "fact": null
        },
        {
          "column": "Belt tension indicator",
          "fact": {
            "field": "Tension indicator",
            "value": "TensionFix is a red-to-green indicator that shows when the vehicle belt has tension.",
            "stated_as": "TensionFix™, our red-to-green indicator that shows you when your belt has tension",
            "source_type": "guide",
            "source_url": "https://maxicosi.com/collections/car-seats/products/ambra-infant-car-seat-base-ic437",
            "source_read_at": "2026-10-14T22:35:36.474Z"
          }
        },
        {
          "column": "Lock-off",
          "fact": null
        }
      ]
    }
  ]
}