{"sources":[{"id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:0:listing","type":"listing","url":"https://top-stroll.myshopify.com/products.json","retrieval_at":"2026-10-20T19:22:06.774Z","source_hash":"c7b42b7441e8e8a4c6e9acf16b0181c92fb636778beb399fa1980acbb80d670c","access_verdict":"permitted","robots_result":"allow"},{"id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:1:guide","type":"guide","url":"https://top-stroll.myshopify.com/products/uppababy-mesa-car-seat-base","retrieval_at":"2026-10-21T01:00:13.562Z","source_hash":"510f2c145dfdecea3d11eea1ab180e91e16735b51fd276db3d3f11dec4cb694a","access_verdict":"permitted","robots_result":"not_checked"},{"id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:2:manual","type":"manual","url":"https://back.uppababy.com/media/d9/9b/d9/1745851419/1002-MESAV2-ProductManual_240509_US.pdf","retrieval_at":"2026-10-21T01:00:21.454Z","source_hash":"def6cc4d8065fefdc6de110227586a9deb1d9976e7e277a48ac97b2fa9ab8018","access_verdict":"permitted","robots_result":"disallow"},{"id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:4:review","type":"review","url":"https://csftl.org/uppababy-mesa-review/","retrieval_at":"2026-10-21T01:00:40.397Z","source_hash":"4a77b827d0163b5fd6ce9433baf19979102fbab469494ac43bf1c97557abbfaf","access_verdict":"permitted","robots_result":"allow"},{"id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:5:blog","type":"blog","url":"https://www.babyearth.com/blogs/grow/uppababy-mesa-infant-car-seat-review","retrieval_at":"2026-10-21T01:00:50.492Z","source_hash":"a9735d6c5c60803b83ef9194b48dc159afc7c908acc3897f4b95a65af56506c5","access_verdict":"permitted","robots_result":"allow"},{"id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:8:review","type":"review","url":"https://www.youtube.com/watch?v=mPP_05UgC1c","retrieval_at":"2026-10-21T01:01:52.452Z","source_hash":"e5b667447f2ffa73b47de7abe8d6274f275f84a7353eadcff84130d1281293af","access_verdict":"permitted","robots_result":"allow"}],"summaries":[{"id":"01M5DZV7FSAA24CDQ1R8X7NQVF","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:4:review","kind":"review","text":"Reviewer calls the SMARTsecure lower-anchor tensioning system unique and effective; the tension indicator sits on top of the base and turns green when the installation is tight, for both lower-anchor and vehicle seat-belt installs.","locators":{"page":"https://csftl.org/uppababy-mesa-review/"}},{"id":"01M5DZV7SVAYAN07DJWZXXEETR","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:4:review","kind":"review","text":"Reviewer says the MESA is one of the easiest lower-anchor installs they have done.","locators":{"page":"https://csftl.org/uppababy-mesa-review/"}},{"id":"01M5DZV865007BHGDK853YQN7M","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:4:review","kind":"review","text":"Lower-anchor webbing is stored on each side and each side ratchets independently, so the installer has to rock the base back and forth; reviewer describes this as a bit of a dance.","locators":{"page":"https://csftl.org/uppababy-mesa-review/"}},{"id":"01M5DZV8GVSHTAP568BCA8RS3M","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:4:review","kind":"review","text":"The hardest part of the lower-anchor install is holding each strap out so it does not ratchet back in before the connector is attached to the vehicle anchor; premium connectors help.","locators":{"page":"https://csftl.org/uppababy-mesa-review/"}},{"id":"01M5DZV8TPX7HK4NFY47JRTB9T","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:4:review","kind":"review","text":"Once connectors are attached, releasing the strap lets the base ratchet itself tight; pushing down on the back of the base and rocking helps turn the tension indicator green.","locators":{"page":"https://csftl.org/uppababy-mesa-review/"}},{"id":"01M5DZV96SHV0DTZY4SANS5QM7","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:4:review","kind":"review","text":"Vehicle seat-belt install routes the belt through the belt path and under the lockoff; when the belt is tight the indicator shows green, and the reviewer still checks for no more than 1 inch of movement at the belt path.","locators":{"page":"https://csftl.org/uppababy-mesa-review/"}},{"id":"01M5DZV9GPHT4X9S0BS74SR2SM","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:4:review","kind":"review","text":"Base has a four-position recline foot adjusted by a grey button on top, with a side level indicator that turns green at the correct recline.","locators":{"page":"https://csftl.org/uppababy-mesa-review/"}},{"id":"01M5DZV9V0WRCKHZS5R6B34SBP","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:4:review","kind":"review","text":"If the base does not contact the vehicle seat back, UPPAbaby allows a rolled towel between the base and the seat back; reviewer says this fix is specific to this seat.","locators":{"page":"https://csftl.org/uppababy-mesa-review/"}},{"id":"01M5DZVA7E1RCPTC6NWVYS3TNN","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:5:blog","kind":"blog","text":"Blog notes one base comes with the MESA purchase and an additional base can be bought for a second vehicle.","locators":{"page":"https://www.babyearth.com/blogs/grow/uppababy-mesa-infant-car-seat-review","post_date":"2019-03-22","publication":"Baby Earth","post_date_kind":"published"}},{"id":"01M5DZVAHCEWPFF6CR140VW23S","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:8:review","kind":"review","text":"Video demonstrates LATCH installation: place base rear-facing, adjust foot until no red shows on the level indicator, remove the latch buckle from storage, attach to anchors, keep webbing untwisted, press and rock the base into the seat crease until the tension indicator is green, then check for no more than 1 inch of movement at the belt path.","locators":{"page":"https://www.youtube.com/watch?v=mPP_05UgC1c"}}],"facts":[{"id":"01M5DZVAVDAD55AWWHT02XKQM2","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:0:listing","field":"compatibility","ordinal":0,"value_number":null,"unit":null,"value_text":"The base fits UPPAbaby Mesa and Mesa V2 infant car seats and is not compatible with Mesa Max or Aria models.","original_value":"COMPATIBILITY: Fits UPPAbaby Mesa and Mesa V2 Infant Car Seats. 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belt is tight the indicator shows green, and the reviewer still checks for no more than 1 inch of movement at the belt path.","original_value":"Vehicle seat-belt install routes the belt through the belt path and under the lockoff; when the belt is tight the indicator shows green, and the reviewer still checks for no more than 1 inch of movement at the belt path.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M5DZV96SHV0DTZY4SANS5QM7","excerpt_id":null,"span_sha256":"d0d197a3659dcf41f1faf44c6beb500da231831b93c764ee732e529ef99bfd2e","source_locator":null}},{"id":"01M5DZVK1QKJFWA9S7CQ9Q3N1Y","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:1:guide","field":"indicators","ordinal":6,"value_number":null,"unit":null,"value_text":"The base has red-to-green secure attachment indicators.","original_value":"Red-to-green secure attachment 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recline.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M5DZV9GPHT4X9S0BS74SR2SM","excerpt_id":null,"span_sha256":"0226a19592d144a7eba93ccae5c52c06d80252adf33993cb47f05578bf06f3ea","source_locator":null}},{"id":"01M5DZVM2ANZSW6D8ZP6HKDS91","source_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:1:guide","field":"profile","ordinal":7,"value_number":null,"unit":null,"value_text":"The base is described as streamlined and low-profile.","original_value":"Streamlined, low-profile base","confidence":0.95,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:1:guide:artefact:510f2c145dfdecea3d11eea1ab180e91e16735b51fd276db3d3f11dec4cb694a","start":417,"end":446,"summary_id":null,"excerpt_id":null,"span_sha256":"42d2678a403a56321077cea365548013fb3e519f8de6b3f2feb1a8f1068fe010","source_locator":"characters 417 to 446 of the retained 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airbag.","original_value":"NEVER place this Child Restraint on a front seat with an\n                airbag. DEATH OR SERIOUS INJURY can occur.","confidence":0.95,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--uppababy-mesa-car-seat-base:quick:source:2:manual:artefact:def6cc4d8065fefdc6de110227586a9deb1d9976e7e277a48ac97b2fa9ab8018","start":8699,"end":8814,"summary_id":null,"excerpt_id":null,"span_sha256":"c74da0e16eb3325cef12d0ddfcdc4f49935f5f7233eb4eaebb2f32cdcd1de277","source_locator":"characters 8699 to 8814 of the retained text"}}],"facet_texts":[],"gaps":[{"id":"01M5DZVNTP5D6RPKCCYY820DWJ","source_type":"facets","url":null,"reason":"embeddings skipped in the deep lane","detail":"the deep lane makes no embedding call; this pack has no facet texts and no vectors","recorded_at":"2026-10-21T01:01:54.084Z"},{"id":"01M5DZVP4JDYMAYE4PQNG0ZKSV","source_type":"guide","url":"https://uppababy.com/detail/01943185654972898677fec8eaa169d4/","reason":"not read","detail":"The address no longer exists (HTTP 404).","recorded_at":"2026-10-21T01:01:54.084Z"},{"id":"01M5DZVPH38SDZZAVDC71GGAN2","source_type":"manual","url":"https://back.uppababy.com/media/d9/9b/d9/1745851419/1002-MESAV2-ProductManual_240509_US.pdf","reason":"not_found","detail":"Left out: \"The product is designed and manufactured to comply with ASTM 2050 Standard Consumer Safety Specification for Hand Held Carriers.\" (ASTM standard). The quote the research turn gave for it was not found in the text retained from this page.","recorded_at":"2026-10-21T01:01:54.084Z"},{"id":"01M5DZVPV300Y0T0HVZWMHD8W0","source_type":"manual","url":"https://back.uppababy.com/media/d9/9b/d9/1745851419/1002-MESAV2-ProductManual_240509_US.pdf","reason":"not_found","detail":"Left out: \"When installing with lower anchors, installation is complete when the tightness indicator turns from red to green and stays green after downward push is discontinued.\" (lower anchor installation). The quote the research turn gave for it was not found in the text retained from this page.","recorded_at":"2026-10-21T01:01:54.084Z"},{"id":"01M5DZVQ52QGFG4HJ93ZW0RZR3","source_type":"manual","url":"https://back.uppababy.com/media/d9/9b/d9/1745851419/1002-MESAV2-ProductManual_240509_US.pdf","reason":"not_found","detail":"Left out: \"For rear-center lower-anchor use, the lower anchors may be up to 22 inches apart and the seating position must be approved by the vehicle manufacturer.\" (center LATCH spacing). The quote the research turn gave for it was not found in the text retained from this page.","recorded_at":"2026-10-21T01:01:54.084Z"},{"id":"01M5DZVQHGE8NKQGT6N6GBJ9E7","source_type":"manual","url":"https://back.uppababy.com/media/d9/9b/d9/1745851419/1002-MESAV2-ProductManual_240509_US.pdf","reason":"not_found","detail":"Left out: \"No tether is required with this rear-facing carrier; only lower anchors are used.\" (tether). The quote the research turn gave for it was not found in the text retained from this page.","recorded_at":"2026-10-21T01:01:54.084Z"},{"id":"01M5DZVQVCE23CG560M171NQAE","source_type":"manual","url":"https://back.uppababy.com/media/d9/9b/d9/1745851419/1002-MESAV2-ProductManual_240509_US.pdf","reason":"not_found","detail":"Left out: \"The child restraint system conforms to all applicable Federal Motor Vehicle Safety Standards.\" (certification). The quote the research turn gave for it was not found in the text retained from this page.","recorded_at":"2026-10-21T01:01:54.084Z"},{"id":"01M5DZVR59GMCR97XX7HACYA9R","source_type":"review","url":"https://www.reddit.com/r/BabyBumps/comments/p5sd0o","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-21T01:01:54.084Z"},{"id":"01M5DZVRF5BHFBH1R45R16EQ2Z","source_type":"review","url":"https://www.reddit.com/r/BMWiX/comments/1i6qr7s","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-21T01:01:54.084Z"},{"id":"01M5DZVRS1B3QRKENMVZPZD7YX","source_type":"review","url":"https://www.reddit.com/r/NewParents/comments/117a3ed","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-21T01:01:54.084Z"},{"id":"01M5DZVS2ZSKH4Q6C8J01ZD4Y5","source_type":"review","url":"https://www.reddit.com/r/Buyingforbaby/comments/xirg62","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-21T01:01:54.084Z"}],"facet_check":null,"evidence_depth":{"note":"Deep read: the store's own data and 8 outside pages (the store's own product page; manual; review; blog; regulator recall search (CPSC (United States)); regulator recall search (Health Canada); video review (derived summary of its captions)), each read in full by RoboTrunk and trimmed to its main content, then written up and checked. Facts from the maker or a manual quote the page word for word; what real users report is summarised with a link to the page read. Recall status was checked directly with CPSC (United States), Health Canada: CPSC recall search returned no records for UPPAbaby / Mesa / Mesa V2 Extra Base (0262). Health Canada records mentioning UPPAbaby are for RIDGE strollers, RumbleSeat adapters, stroller/RumbleSeat bumper bars, and a Peg Perego car-seat adapter, not this base. Still open, with no evidence found: What material is the base shell made of?; Does the base's finish scratch, peel, or rub off over time?; How should the base be cleaned?; Does installation require any tools?; Which specific vehicle makes and models has UPPAbaby confirmed this base fits?; What is the warranty period for the extra base itself?; What exactly is included in the box with the extra base?; Is the locking clip included with the base?; Which model years of the Mesa carrier fit this base?; What safety standards does the base alone meet?; Is there an age limit for using the base?; Can the base be used in an aircraft?; How thick is the base's shell or padding?.","tier":"complex","depth":"trimmed_read","model":"deepseek-flash","recall":{"note":"CPSC recall search returned no records for UPPAbaby / Mesa / Mesa V2 Extra Base (0262). Health Canada records mentioning UPPAbaby are for RIDGE strollers, RumbleSeat adapters, stroller/RumbleSeat bumper bars, and a Peg Perego car-seat adapter, not this base.","status":"no_recall_found","regulators_asked":["CPSC (United States)","Health Canada"]},"sources":[{"url":"https://top-stroll.myshopify.com/products.json","role":"the store's own data","retained":true},{"url":"https://top-stroll.myshopify.com/products/uppababy-mesa-car-seat-base","role":"the store's own product page","retained":true},{"url":"https://back.uppababy.com/media/d9/9b/d9/1745851419/1002-MESAV2-ProductManual_240509_US.pdf","role":"manual","retained":true},{"url":"https://uppababy.com/mx/wp-content/uploads/sites/18/2020/11/1017-MSA-US_VADA.pdf","role":"manual","retained":true},{"url":"https://csftl.org/uppababy-mesa-review/","role":"review","retained":true},{"url":"https://www.babyearth.com/blogs/grow/uppababy-mesa-infant-car-seat-review","role":"blog","retained":true},{"url":"https://www.saferproducts.gov/RestWebServices/Recall?format=json&Manufacturer=UPPAbaby","role":"regulator recall search (CPSC (United States))","retained":true},{"url":"https://recalls-rappels.canada.ca/sites/default/files/opendata-donneesouvertes/HCRSAMOpenData.json","role":"regulator recall search (Health Canada)","retained":true},{"url":"https://www.youtube.com/watch?v=mPP_05UgC1c","role":"video review (derived summary of its captions)","retained":true}],"reasoning":"low","embeddings":"skipped in the deep lane: no embedding call is made here","searched_for":["maker_page","manual","recall_notices","owner_reviews","blogs","forums","video_reviews"],"open_questions":["What material is the base shell made of?","Does the base's finish scratch, peel, or rub off over time?","How should the base be cleaned?","Does installation require any tools?","Which specific vehicle makes and models has UPPAbaby confirmed this base fits?","What is the warranty period for the extra base itself?","What exactly is included in the box with the extra base?","Is the locking clip included with the base?","Which model years of the Mesa carrier fit this base?","What safety standards does the base alone meet?","Is there an age limit for using the base?","Can the base be used in an aircraft?","How thick is the base's shell or padding?"]}}