CLICK! That's the sound of a secure install.  The SnugRide® SnugLock® 35 Platinum Infant Car Seat has a hassle-free installation using either vehicle seat belt or LATCH. In three easy steps you can feel confident you've got a secure install. To further make installation a breeze, the base with 4 recline positions, bubble level indicator, and InRight™ LATCH helps you find the right position for install. Easy for mom and comfy for baby. The No-Rethread Harness – Simply Safe Adjust™ Harness System headrest and harness adjust in one motion helping to save you time and ensure your child is always properly secured. The 1-Hand adjustable handle leaves one hand free when adjusting the handle for easy in-and-out. Click Connect™  technology provides a secure one-step attachment to all Graco Click Connect™ strollers making it easy to create a custom travel system that best fits your lifestyle. The SnugRide® SnugLock® 35 Platinum gives mom peace of mind and helps protect rear-facing infants from 4 - 35 lb and up to 32". InRight™ LATCH system for a one-second LATCH attachment Click Connect™ technology provides one-step secure attachment to Graco Click Connect(TM) strollers and bases Adjustable base with 4 recline positions lets you customize fit to your vehicle SafetyCore™ absorbs frontal crash forces Convenient compartment stores manual when not in use Be sure to check your local and state laws, as well as AAP and NHTSA recommendations, for car seat usage. Engineered & crash tested to meet or exceed US standard FMVSS 213 Rigorously crash tested to meet or exceed U.S. safety standards In addition to meeting or exceeding all applicable US safety standards, the SnugRide® SnugLock™ 35 Platinum has been side impact tested for occupant retention solely with the built-in 5-point harness system EPS, energy absorbing foam for effective impact energy management