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time.","confidence":0.95,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--diono-radian-3qxt-luxury-3-across-all-in-one-car-seat:quick:source:3:manual:artefact:afa20036a7951826d196eb191edad19b7e48a1900d7027dd3badaa5916349d68","start":28835,"end":28925,"summary_id":null,"excerpt_id":null,"span_sha256":"0be4835caa16387d5ea7b669b283cd2e30620e6b57c246f9a3095b11a086e7c3","source_locator":"characters 28835 to 28925 of the retained text"}},{"id":"01M58PZ4TSQ2BR2XPCGW1CH2G1","source_id":"megababiesusa-com--diono-radian-3qxt-luxury-3-across-all-in-one-car-seat:quick:source:5:blog","field":"instructions","ordinal":10,"value_number":null,"unit":null,"value_text":"The blog notes the instruction booklet is clear but should be read for strap placement and the smaller parts.","original_value":"The blog notes the instruction booklet is clear but should be read for strap placement and the smaller parts.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M58PYM3NK36ZWSFNY2PSZQCX","excerpt_id":null,"span_sha256":"0899d82dd3a95ae451e622a3a83bfe5e91db281718e91822b199d25e17644a22","source_locator":null}},{"id":"01M58PZ55MKE5RWMTK7ETHSK5A","source_id":"megababiesusa-com--diono-radian-3qxt-luxury-3-across-all-in-one-car-seat:quick:source:3:manual","field":"vehicle belt compatibility","ordinal":11,"value_number":null,"unit":null,"value_text":"The manual warns that some vehicle belt types cannot be used with this restraint.","original_value":"The following types of vehicle\nbelts CANNOT BE USED with your\nchild restraint.","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--diono-radian-3qxt-luxury-3-across-all-in-one-car-seat:quick:source:3:manual:artefact:afa20036a7951826d196eb191edad19b7e48a1900d7027dd3badaa5916349d68","start":23535,"end":23613,"summary_id":null,"excerpt_id":null,"span_sha256":"5ba8e68bcecb2b6f16630361e3719f74203151ea07a94997eb73f50f8922674c","source_locator":"characters 23535 to 23613 of the retained text"}},{"id":"01M58PZ5GKQ3CPBXWGCMB3M120","source_id":"megababiesusa-com--diono-radian-3qxt-luxury-3-across-all-in-one-car-seat:quick:source:3:manual","field":"parts","ordinal":12,"value_number":null,"unit":null,"value_text":"The parts list includes a rear-facing base.","original_value":"23. Rear-Facing Base","confidence":0.85,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--diono-radian-3qxt-luxury-3-across-all-in-one-car-seat:quick:source:3:manual:artefact:afa20036a7951826d196eb191edad19b7e48a1900d7027dd3badaa5916349d68","start":20975,"end":20995,"summary_id":null,"excerpt_id":null,"span_sha256":"8d9d3bc999d5f548bf1aacaf8d1b5ca89f08c77126f9433ec909a9d65dce2ed8","source_locator":"characters 20975 to 20995 of the retained text"}},{"id":"01M58PZ5V00HCA7YNC3MPDKZBD","source_id":"megababiesusa-com--diono-radian-3qxt-luxury-3-across-all-in-one-car-seat:quick:source:3:manual","field":"recall registration","ordinal":13,"value_number":null,"unit":null,"value_text":"Diono urges owners to register the seat so they can be reached if it is recalled.","original_value":"Child restraints could be recalled for safety reasons. You must register this\nrestraint to be reached in a recall.","confidence":0.95,"citation":{"lineage_tier":"T1","artefact_id":"megababiesusa-com--diono-radian-3qxt-luxury-3-across-all-in-one-car-seat:quick:source:3:manual:artefact:afa20036a7951826d196eb191edad19b7e48a1900d7027dd3badaa5916349d68","start":4189,"end":4303,"summary_id":null,"excerpt_id":null,"span_sha256":"dc8f0a8fbeb3ea8394d174616e6ef2b9708f3efe7500287d52dd1ece61dc8247","source_locator":"characters 4189 to 4303 of the retained text"}}],"facet_texts":[],"gaps":[{"id":"01M58PZ6H6FKQD3P2ZJFRWTBTG","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":"2026-10-18T23:45:09.240Z"},{"id":"01M58PZ6VPEPECYDY3SQVHJEQ3","source_type":"guide","url":"https://store.diono.com/radian-3qxt-firstclass-safeplus/","reason":"not read","detail":"The read failed: redirect destination www.amazon.com is on the excluded-host list","recorded_at":"2026-10-18T23:45:09.240Z"},{"id":"01M58PZ763YN7E3MV937BE5HYN","source_type":"manual","url":"https://diono.zendesk.com/hc/en-us/article_attachments/35341477477651","reason":"not_found","detail":"Left out: \"A correct installation allows no more than 1 inch of movement at the belt path, side to side or front to back.\" (installation tightness). The quote the research turn gave for it was not found in the text retained from this page.","recorded_at":"2026-10-18T23:45:09.240Z"},{"id":"01M58PZ7J4KC8VA3ZKB1J002VQ","source_type":"manual","url":"https://diono.zendesk.com/hc/en-us/article_attachments/35341477477651","reason":"not_found","detail":"Left out: \"The seat must never be placed rear-facing in a seating position with an active front air bag.\" (warnings). The quote the research turn gave for it was not found in the text retained from this page.","recorded_at":"2026-10-18T23:45:09.240Z"},{"id":"01M58PZ7WK7TTAM1K7VZ61PGRY","source_type":"review","url":"https://www.reddit.com/r/TeslaModelY/comments/1gs0pi6","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":"2026-10-18T23:45:09.240Z"}],"facet_check":null,"evidence_depth":{"note":"Deep read: the store's own data and 10 outside pages (the store's own product page; manual; maker page; blog; regulator recall search (CPSC (United States)); regulator recall search (Health Canada); official safety test results (CREP, the Child Restraint Evaluation Program); official safety test results (NHTSA's Car Seat Ease of Use Ratings); official safety test results (ADAC's child seat test)), 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: A CPSC recall search for Diono/Radian 3QXT+ returned no recall records. Health Canada's open data lists 13 Diono records (child car seats and boosters, latest updated 2026-02-04), but none of the listed titles identifies the Radian 3QXT+ model 53000-NA-01, so no recall was found applying to this exact model. Owners should still register the seat with Diono to be reached if one is issued. Official safety test results were looked up directly with CREP, the Child Restraint Evaluation Program, NHTSA's Car Seat Ease of Use Ratings, ADAC's child seat test: CREP, the Child Restraint Evaluation Program (Australia and New Zealand): CREP's published list of 216 rated seats is stated to be complete, and no seat in it has a brand or name containing diono or radian3qxt, so this seat has no CREP crash-protection or ease-of-use rating. NHTSA's Car Seat Ease of Use Ratings (United States): The Diono Radian 3QXT+, model 53000-NA-01 (the same SKU as this Black Jet listing), is listed: overall 3 of 5 stars rear-facing (labels 2, installation features 1, instructions 5, securing the child 2), 3 of 5 forward-facing (labels 1, installation 4, instructions 3, securing the child 3) and 2 of 5 in booster mode (labels 1, installation 3, instructions 3, securing the child 2). These grade ease of use and correct use, not crash protection; noted complaints include harness slots that are hard to see or misaligned, harness rethreading, tight belt paths for large hands and weak labelling. ADAC's child seat test (Germany): ADAC's published list of 527 seats contains one Diono seat, the Radian 5 tested in 2016 with an overall grade of 5,5 (poor). That is a different, older model; the Radian 3QXT+ itself is not in ADAC's list, so this grade must not be applied to it. Not read, because they are member-only or refused RoboTrunk: Consumer Reports car seat ratings, Which? child car seat tests, JPMA certified products. Still open, with no evidence found: How thick and plush is the fabric, or does it feel thin?; Does the fabric, trim or side lettering wear or rub off over time?; What exactly does Diono's own warranty cover and for how long?; Which tools, if any, are needed to install the seat?; Does it fit three across in a compact car such as a Corolla?; How much front-seat legroom does it need when rear-facing?; Do the harness straps or buckle show wear after years of use?; Can the booster be used with a lap-only belt in the centre seat?; How does the seat score in an independent crash test?; Do the XL cup holders fit large water bottles or only slim cups?; How easy is it to remove and refit the cover for washing?; Must the anti-rebound panel be removed before booster mode?; How well does the booster shoulder guide position the belt on a small child?; Does the seat fit a stroller or travel system for carrying through airports?.","tier":"complex","depth":"trimmed_read","model":"deepseek-flash","recall":{"note":"A CPSC recall search for Diono/Radian 3QXT+ returned no recall records. Health Canada's open data lists 13 Diono records (child car seats and boosters, latest updated 2026-02-04), but none of the listed titles identifies the Radian 3QXT+ model 53000-NA-01, so no recall was found applying to this exact model. Owners should still register the seat with Diono to be reached if one is issued.","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/diono-radian-3qxt-luxury-3-across-all-in-one-car-seat","role":"the store's own product page","retained":true},{"url":"https://diono.zendesk.com/hc/en-us/articles/18550224692371-Radian-3QXT-SafePlus-Radian-3QXT-Manual","role":"manual","retained":true},{"url":"https://diono.zendesk.com/hc/en-us/article_attachments/35341477477651","role":"manual","retained":true},{"url":"https://diono.zendesk.com/hc/en-us/categories/18397388816787-Radian-3QXT-FirstClass-SafePlus-Radian-3QXT-2022-Present","role":"maker page","retained":true},{"url":"https://www.anbbaby.com/blogs/articles/10-years-of-safety-comfort-why-we-love-diono-radian-3qxt-anb-baby","role":"blog","retained":true},{"url":"https://www.saferproducts.gov/RestWebServices/Recall?format=json&Manufacturer=Diono","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.childcarseats.com.au/api/v1/child_car_seats/filter_data/retrieve?_format=json","role":"official safety test results (CREP, the Child Restraint Evaluation Program)","retained":true},{"url":"https://api.nhtsa.gov/childSeats?dataSet=ratings","role":"official safety test results (NHTSA's Car Seat Ease of Use Ratings)","retained":true},{"url":"https://www.adac.de/rund-ums-fahrzeug/ausstattung-technik-zubehoer/kindersitze/kindersitztest/","role":"official safety test results (ADAC's child seat test)","retained":true}],"reasoning":"low","embeddings":"skipped in the deep lane: no embedding call is made here","safety_tests":{"asked":["CREP, the Child Restraint Evaluation Program","NHTSA's Car Seat Ease of Use Ratings","ADAC's child seat test"],"walled":[{"reason":"Consumer Reports' car seat ratings pages declare themselves not free to read (isAccessibleForFree false, read 25-Sep-2026); RoboTrunk never reads past a paywall.","programme":"Consumer Reports car seat ratings"},{"reason":"Which? shows its child car seat test results to members only (read 25-Sep-2026); RoboTrunk never reads past a membership wall.","programme":"Which? child car seat tests"},{"reason":"JPMA's certified products list refused RoboTrunk's named fetcher (HTTP 403, 25-Sep-2026). It is not retried under another identity.","programme":"JPMA certified products"}],"results":[{"status":"not_tested","summary":"CREP's published list of 216 rated seats is stated to be complete, and no seat in it has a brand or name containing diono or radian3qxt, so this seat has no CREP crash-protection or ease-of-use rating.","programme":"CREP, the Child Restraint Evaluation Program (Australia and New Zealand)","source_url":"https://www.childcarseats.com.au/api/v1/child_car_seats/filter_data/retrieve?_format=json"},{"status":"tested_this_model","summary":"The Diono Radian 3QXT+, model 53000-NA-01 (the same SKU as this Black Jet listing), is listed: overall 3 of 5 stars rear-facing (labels 2, installation features 1, instructions 5, securing the child 2), 3 of 5 forward-facing (labels 1, installation 4, instructions 3, securing the child 3) and 2 of 5 in booster mode (labels 1, installation 3, instructions 3, securing the child 2). These grade ease of use and correct use, not crash protection; noted complaints include harness slots that are hard to see or misaligned, harness rethreading, tight belt paths for large hands and weak labelling.","programme":"NHTSA's Car Seat Ease of Use Ratings (United States)","source_url":"https://api.nhtsa.gov/childSeats?dataSet=ratings"},{"status":"tested_other_variant","summary":"ADAC's published list of 527 seats contains one Diono seat, the Radian 5 tested in 2016 with an overall grade of 5,5 (poor). That is a different, older model; the Radian 3QXT+ itself is not in ADAC's list, so this grade must not be applied to it.","programme":"ADAC's child seat test (Germany)","source_url":"https://www.adac.de/rund-ums-fahrzeug/ausstattung-technik-zubehoer/kindersitze/kindersitztest/"}]},"searched_for":["maker_page","manual","recall_notices","owner_reviews","blogs","forums","video_reviews"],"open_questions":["How thick and plush is the fabric, or does it feel thin?","Does the fabric, trim or side lettering wear or rub off over time?","What exactly does Diono's own warranty cover and for how long?","Which tools, if any, are needed to install the seat?","Does it fit three across in a compact car such as a Corolla?","How much front-seat legroom does it need when rear-facing?","Do the harness straps or buckle show wear after years of use?","Can the booster be used with a lap-only belt in the centre seat?","How does the seat score in an independent crash test?","Do the XL cup holders fit large water bottles or only slim cups?","How easy is it to remove and refit the cover for washing?","Must the anti-rebound panel be removed before booster mode?","How well does the booster shoulder guide position the belt on a small child?","Does the seat fit a stroller or travel system for carrying through airports?"]}}