Add the Maxi-Cosi Mico 30 car seat base to your family's second car to be ready to travel when you need it. The additional base of the Mico 30 infant car seat is adjustable to ensure a proper fit in your vehicle, with a one-click UAS system for easy installation. The base has an integrated belt locking device for easy and secure installation of the seat belt. With an extra base, there's no need to slow down to reinstall the base when you want to get out. Just strap in your car seat and go.