Germany is in second place in this list, with a combined iron and steel import value of $31 billion USD in 2014. The reason behind such immense iron and steel imports by Germany is that of its top position for iron and steel products across the world as a supplier, notably including automobiles and heavy machinery among them.
Rather, the red light comes on when the oil PRESSURE drops too low as determined by an oil pressure switch installed on the engine. No VW van ever came from the factory with an oil pressure gauge or oil level indicator, just a low oil pressure warning light. One-switch system: 1948-1985.
Low Oil Pressure. Low oil pressure is the most common reason the oil light in your car will come on. A sensor in your engine determines whether oil is being pumped hard enough to channel through narrow holes in the pistons and other engine parts. Without enough pressure, the oil will not reach necessary areas of the engine.