Add the Maxi-Cosi Mico infant car seat base to your family's second car, so you’re ready to travel whenever you need to. The Mico infant car seat extra base is adjustable to ensure a proper fit in your vehicle, with one-click UAS system for easy installation. The base features an integrated belt lockoff for easy and secure seat belt installation. With an additional base, there’s no need to slow down for re-installation of the base when you want to go out. Just attach your car seat and be on your way.