What are
car brake lights for?
The
brake lights are located at the back of every car. Close to the brake pedal there is a small contact which allows the brake light to light up when the driver presses down the pedal.
The first and foremost purpose of a
brake light is to warn other drivers that a vehicle is slowing down, possibly stopping completely. In a brake light you will either find a W16W or P21/4W
light bulb.