Ever wondered what those hooks between your vehicle's seats are? It's the LATCH system! LATCH stands for Lower Anchors and Tethers for Children. They are an additional way install car seats. LATCH has been available in passenger vehicles since 2003. This GREAT article explains LATCH in detail. (Note: In Canada, this system is called LUAS, or Lower Universal Anchorage System. In Europe, it is called ISOFIX).