1. CHMSL
General stop lamp (brake lamp) is mounted on both sides of the rear, when motorists brake pedal, the brake light lights up in, and issued red light to alert vehicles behind careful not rear-end. When the brake pedal is released motorists stop lamp goes out.
also known CHMSL third brake light, which is generally installed in an upper portion of the rear, so that early detection of the vehicle rear and front of the vehicle is braked, to prevent rear-end accidents. Since the car has left and right brake lamps, and therefore it is customary to be installed in the upper portion of the rear brake lights as a third brake light.