CLICK! That's the sound of a secure install. This infant car seat base has a hassle-free installation using either vehicle seat belt or UAS. In three easy steps you can feel confident you've got a secure install. To further make installation a breeze, the InRight™ UAS provides a one-second connection, and the base with its 4-position recline and easy-to-read level indictor helps eliminate installation guesswork. The new SafetyCore™ frontal crash absorption zone absorbs crash forces in the event of a crash to help protect your little one. Click Connect™ technology provides a secure one-step attachment to all Graco Click Connect™ Car Seats.