Improved Side Protection System (SPS) providing better protection against a side impact collision. Easily adjustable height shoulder belts, which can be altered without removing the seat cover or the shoulder belts. Larger belt hooks, which are more practical when placing child in the seat. Buckle can be neatly stored out of the way by use of the buckle / crotch pad, which locates over the belt release button cover. Seat reclines in four positions, which can be operated without re-fitting the seat or removing the child. Seat belt tensioning mechanism, which tightens car seat belt extra taut to ensure a safer fitting. Weight of seat 9.35 kg Belt buckle functioning and cleaning The proper functioning of the belt buckle is very important for the safety of the child. The most common reason that the buckle does not function properly is because it is dirty (from dust, grime, food particles, etc.).