# Booster seat use with a reclined vehicle seat back Can a booster seat be used when the vehicle seat back is reclined? Maxi\-Cosi Tanza \(BC197\): The vehicle seat back must be upright, though its angle can be adjusted slightly to match the booster\. Britax UpNGo Click Backless Booster Car Seat: The booster must be used on a forward\-facing vehicle seat with both a head restraint and a lap\-and\-shoulder belt\. ### 1. [Maxi\-Cosi Tanza \(BC197\)](/products/ucp/megababiesusa-com/9027546185982) (sold by megababiesusa\.com) The vehicle seat back must be upright, though its angle can be adjusted slightly to match the booster\. - Seat back angle: The vehicle seat back must be upright, though its angle can be adjusted slightly to match the booster\. (manual) - Vehicle seat requirement: - - Child size: It is designed for children 40–100 lbs and 43\.4–57 inches tall\. (guide) ### 2. [Britax UpNGo Click Backless Booster Car Seat](/products/ucp/megababiesusa-com/9087540953342) (sold by megababiesusa\.com) The booster must be used on a forward\-facing vehicle seat with both a head restraint and a lap\-and\-shoulder belt\. - Seat back angle: - - Vehicle seat requirement: The booster must be used on a forward\-facing vehicle seat with both a head restraint and a lap\-and\-shoulder belt\. (guide) - Child size: Britax says the booster is designed for children from 40 to 120 lbs and 46 to 63 inches tall\. (listing) 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\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-11-01T01:33:41.677Z. 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](/agent/story.md) - [Every tool, in your browser through WebMCP](/agent) - [The tools and how to call them](/agent/tools.json) - [The stores you can buy from](/agent/merchants) - [Every store's products](/products/ucp) - [Search every store at once](/products/search)