Without the right amount of brake fluid, you unable to stop your car because the brake fluids can transfer the force pushing on the brake pedal to the brake calipers for stopping the motion of the car. As it is an important part of the car braking system and perform necessary functions under severe conditions. You also need to test the brake fluids of the car at high temperature, mitigate the brake system corrosion and not solidifying by freezing. Take a look at the following video to know about the different types of brake fluids used in your car.
https://www.youtube.com/watch?v=-R-E47P38as