Add an extra stay-in-car base for your Maxi-Cosi Mico Max Plus infant car seat to your family's second car, so you're ready to travel whenever you need to. The stay-in-car base is adjustable to ensure a proper fit in your vehicle, with a one-click LATCH system for easy installation. An improved safety feature is the anti-rotation stability leg that limits back and forth movement for maximum head and neck protection. The red-to-green level indicator provides visual confirmation of accurate installation, whether using vehicle belt or LATCH installation.The base also features integrated belt lockoffs for easy and secure seat belt installation. With an additional base, there's no need to slow down for reinstallation of the base when you want to go out. Just attach your car seat and be on your way.