Kani 4-in-One Convertible Car Seat - Authentic Black | live price, prepared checkout

Built for shopping agents: what RoboTrunk does for every product

We asked shopping agents, including Meta's Muse first-hand, what they need from a store. This is what they asked for, and what we have built.

RoboTrunk is working through its catalogue, so a step may not be done for this one yet. Where a step is done per product, the line ends with what is done for this product.

• Deep research: We read the maker's manual, independent reviews, video review transcripts and the store's own page, and publish each finding with its source and the date read. check_product returns them with a source for each. This product: 17 checked facts, research depth trimmed read, checked 2026-10-24T00:49:38.669Z, in the evidence pack.
• Receipts: Every published fact has a receipt showing its source quote. check_product and get_product return the checked facts that have one. This product: each checked fact listed below has one; the source quotes are in the evidence pack.
• Safety: check_product asks the product-safety regulators live (US CPSC, NHTSA and FDA, Health Canada, the UK's OPSS, Australia's ACCC) whether a recall names a product, listed here or not, and flags a match with its notice; a recall never blocks the buyer. This product: this page holds no recall result for it yet; check_product asks the regulators now.
• Recall watch: watch_recalls tells the buyer if a product bought here is recalled later.
• Second-hand listings: check_listing runs the same recall check on a second-hand listing someone found, and adds what the listing leaves out and the price new.
• The real price: The full price to the buyer's country, with shipping and tax, each part quoted from the store's policy or, where a part is not settled, what the total depends on: check_product and search_catalog take the buyer's country and postcode. This product: this store's price was read from its catalogue at 2026-10-24T19:29:32.879Z.
• A checkout that finishes: RoboTrunk lists only stores whose agent checkout it has verified. create_checkout prepares the order at the store; complete_checkout returns a link to the store's own checkout. The checkout can be finished in either of two ways: the person taps the link in their own browser, or their agent opens it and completes the checkout. RoboTrunk checks the store's total against a budget ceiling before it issues the link. Payment always happens on the store's own page, and RoboTrunk never holds the money. No store pays for placement; RoboTrunk may earn a commission from some stores via their affiliate programs.
• Markdown copy: Every page has a Markdown copy: this page's copy.
• Photos and ratings: Search results carry the product photo and, where the store's own page publishes one, its rating (search_catalog).
• Fit answers: check_fit answers whether a listing fits a car, pram or bottle, with the exact quote from the store's page, or says it is not known.
• Back-in-stock watches: watch_back_in_stock starts a watch on a listing the store shows as sold out; get_back_in_stock_watch shows when it is back in stock.
• Maker's manual: ask_product_manual answers from the maker's manual with the exact passage and page, or says the manual does not cover it.
• Tools and guide: Every tool and its description is at https://robotrunk.com/mcp; the guide is at /agents.md.
• Research from other stores: Coming soon: reading other stores' listings of the same product as new research sources.

Checked facts

Each fact below was checked against the source it cites before it was published. Each carries that source's link and the time RoboTrunk read it. 17 checked facts, checked 2026-10-24T00:49:38.669Z. Research depth: trimmed read. Deep read: the store's own data and 7 outside pages (the store's own product page; maker page; manual; 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)), 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: The CPSC recall search returned no recall records for this exact product. Health Canada's recall records returned one Maxi-Cosi record, for the Mico Infant Car Seat and Base, which is a different product and does not apply to the Kani Authentic Black. Official safety test results were looked up directly with CREP, the Child Restraint Evaluation Program, NHTSA's Car Seat Ease of Use Ratings: CREP, the Child Restraint Evaluation Program (Australia and New Zealand): CREP's published list of 216 rated seats includes many Maxi-Cosi models but not the Kani 4-in-1 Convertible Car Seat; because the list is complete, this exact model has no CREP rating. NHTSA's Car Seat Ease of Use Ratings (United States): NHTSA's published list of 126 rated seats includes other Maxi-Cosi seats but not the Kani 4-in-1 Convertible Car Seat; this exact model has no NHTSA ease-of-use rating in the list. Not read, because they are member-only or refused RoboTrunk: Consumer Reports car seat ratings, Which? child car seat tests, JPMA certified products.

• Category: The store feed lists the Kani as an infant/child/booster all-in-one car seat.. Source: https://love-me-do-baby.myshopify.com/products.json (listing), read 2026-10-23T19:34:14.013Z.
• Identity: The store's structured product data gives the Authentic Black Kani GTIN 884392007768 and SKU 41429.. Source: https://love-me-do-baby.myshopify.com/products/maxi-cosi-kani-4-in-one-convertible-car-seat-authentic-black (guide), read 2026-10-24T00:42:16.779Z.
• Identity: Maxi-Cosi's structured product data lists the Authentic Black Kani variant with SKU 22442CUTB and GTIN 884392007768.. Source: https://maxicosi.ca/products/kani-4-in-1-convertible-car-seat-22442?_fid=32785360e&_pos=3&_ss=c&bvstate=pg%3A3%2Fct%3Ar (guide), read 2026-10-24T00:42:18.625Z.
• User guide and video: Maxi-Cosi's support center lists the Kani 4-in-1 Convertible Car Seat under item number CC430, with an English user guide and an introducing-Kani video.. Source: https://maxicosi.com/pages/car-seat-support-center (manual), read 2026-10-24T00:42:20.218Z.
• Fit across back seat: The store says the slim Kani design allows a three-across fit in most vehicles without sacrificing safety or comfort.. Source: https://love-me-do-baby.myshopify.com/products/maxi-cosi-kani-4-in-one-convertible-car-seat-authentic-black (guide), read 2026-10-24T00:42:16.779Z.
• Modes and age range: The Kani is one seat with four modes of use from birth to 10 years, for 5–100 lb children.. Source: https://maxicosi.ca/products/kani-4-in-1-convertible-car-seat-22442?_fid=32785360e&_pos=3&_ss=c&bvstate=pg%3A3%2Fct%3Ar (guide), read 2026-10-24T00:42:18.625Z.
• Headrest and harness adjustment: The headrest lifts one-handed and the no-rethread harness provides 10 positions for growth in rear-facing and forward-facing modes.. Source: https://love-me-do-baby.myshopify.com/products/maxi-cosi-kani-4-in-one-convertible-car-seat-authentic-black (guide), read 2026-10-24T00:42:16.779Z.
• Mode weight limits: Rear-facing is for 5–40 lb, forward-facing for 22–65 lb, belt-positioning booster for 40–100 lb, and backless booster for 40–100 lb.. Source: https://maxicosi.ca/products/kani-4-in-1-convertible-car-seat-22442?_fid=32785360e&_pos=3&_ss=c&bvstate=pg%3A3%2Fct%3Ar (guide), read 2026-10-24T00:42:18.625Z.
• Recline adjustment: The seat has a five-position, one-handed recline.. Source: https://love-me-do-baby.myshopify.com/products/maxi-cosi-kani-4-in-one-convertible-car-seat-authentic-black (guide), read 2026-10-24T00:42:16.779Z.
• Fit across back seat: The slim design is intended to allow a three-across fit in most back seats.. Source: https://maxicosi.ca/products/kani-4-in-1-convertible-car-seat-22442?_fid=32785360e&_pos=3&_ss=c&bvstate=pg%3A3%2Fct%3Ar (guide), read 2026-10-24T00:42:18.625Z.
• Backless booster conversion: The Kani converts to a backless booster with a one-hand release.. Source: https://love-me-do-baby.myshopify.com/products/maxi-cosi-kani-4-in-one-convertible-car-seat-authentic-black (guide), read 2026-10-24T00:42:16.779Z.
• Installation: The Kani uses one-click UAS (LATCH) connectors for installation.. Source: https://maxicosi.ca/products/kani-4-in-1-convertible-car-seat-22442?_fid=32785360e&_pos=3&_ss=c&bvstate=pg%3A3%2Fct%3Ar (guide), read 2026-10-24T00:42:18.625Z.
• Care: The fabrics are machine washable and dryer safe.. Source: https://love-me-do-baby.myshopify.com/products/maxi-cosi-kani-4-in-one-convertible-car-seat-authentic-black (guide), read 2026-10-24T00:42:16.779Z.
• Buckle: The chest clip is an auto-magnetic ClipQuick clip.. Source: https://maxicosi.ca/products/kani-4-in-1-convertible-car-seat-22442?_fid=32785360e&_pos=3&_ss=c&bvstate=pg%3A3%2Fct%3Ar (guide), read 2026-10-24T00:42:18.625Z.
• Fabrics and feel: The EcoCare fabric is 100% recycled from plastic bottles, and the yarn is described as soft, comfortable and breathable.. Source: https://maxicosi.ca/products/kani-4-in-1-convertible-car-seat-22442?_fid=32785360e&_pos=3&_ss=c&bvstate=pg%3A3%2Fct%3Ar (guide), read 2026-10-24T00:42:18.625Z.
• Included cupholders and cover: The design includes two vegan-leather-wrapped, easy-to-clean, removable BPA-free cupholders and a plush cover with vegan leather details.. Source: https://maxicosi.ca/products/kani-4-in-1-convertible-car-seat-22442?_fid=32785360e&_pos=3&_ss=c&bvstate=pg%3A3%2Fct%3Ar (guide), read 2026-10-24T00:42:18.625Z.
• Safety standard: Maxi-Cosi states the Kani meets or exceeds federal safety standards.. Source: https://maxicosi.ca/products/kani-4-in-1-convertible-car-seat-22442?_fid=32785360e&_pos=3&_ss=c&bvstate=pg%3A3%2Fct%3Ar (guide), read 2026-10-24T00:42:18.625Z.

The full evidence pack, with every citation, source and gap.

Questions we researched but could not confirm

Every fact above is cited. To find them we read the store listing, the maker's page, the manual, the recall records of CPSC (United States) and Health Canada and the safety test results of CREP, the Child Restraint Evaluation Program and NHTSA's Car Seat Ease of Use Ratings and searched for regulator recall notices, owner reviews, blogs, owner forums and video reviews. We also chased the questions below across those sources and found no reliable answer, so you know exactly where the evidence ends and never have to guess.

• How much does the Kani seat itself weigh?
• What are the Kani's overall dimensions?
• Which vehicles fit the Kani three across?
• Is the EcoCare fabric thick or thin?
• Does the vegan leather peel or rub off over time?
• What warranty does Maxi-Cosi provide for this seat?
• What exactly is included in the box?
• Does the Kani include a newborn insert?
• What are the Kani's height limits in each mode?
• When does the Kani expire?
• What tools are needed to install the Kani?
• Can the Kani be used on an airplane?
• How do you clean the harness straps?
• Does the backless booster need a vehicle headrest?
• How long does installation take?

This page is published by RoboTrunk, a store built for shopping agents.

The store named on this page sells the product and ships it. RoboTrunk is not
the seller and never holds the money.

Buying works in one path. RoboTrunk's tools prepare a checkout at that store,
then hand back a short-lived link. The person approves the total; once RoboTrunk
has checked the store's total against it, the person is given the checkout link to
tap in their own browser, or, if the person prefers and gives permission, their
agent may open the link and finish there, and payment always happens on the
store's own checkout page. RoboTrunk never takes the payment or sees a card.

Where the rest of this site is:

- /agent/story.md is what RoboTrunk is and how it works, in full.
- /agent/tools.json is every tool, its arguments and its answers.
- /agent/merchants is every store you can buy from through RoboTrunk.
- /products/ucp is every store's indexed products.
- /products/search is one search across every store, in plain words.

• What RoboTrunk is
• Every tool, in your browser through WebMCP
• The tools and how to call them
• The stores you can buy from
• Every store's products
• Search every store at once