The KeyFit® Base is engineered with innovative features that make it the easiest infant car seat base to install simply, accurately, and securely, every time.A ReclineSure leveling foot and two RideRight bubble level-indicators help achieve and verify proper angle in the vehicle seat. It's also equipped with premium LATCH connectors and a SuperCinch® tightener for a secure fit with a fraction of the effort! For alternate installation with the vehicle seat belt, clear belt routing and integrated lock-offs make it easy to position, tighten and lock the belt into place.The KeyFit® Base is designed for use with the KeyFit® and KeyFit® 30 infant car seats. (car seats sold separately)Click-in attachment for the KeyFit® and KeyFit® 30 infant car seatsReclineSure™ leveling foot helps achieve proper base angleRideRight™ bubble level-indicators verify base angle        SuperCinch® LATCH tightener helps achieve a secure fitSmooth underside helps protect vehicle seatsUsageThe KeyFit® Base is designed for use with KeyFit® and KeyFit® 30 Infant Car Seats. This base is not compatible with KeyFit® 35 Infant Car Seat.Care and MaintenanceSponge clean plastics using warm water and mild soap. Towel dry. Refer to the instruction manual for complete care and maintenance instructions.×.