By effectively scanning and reading the road ahead , will cut down the risk of having to make an emergency stop. If its unavoidable bake quickly as possible while keeping the car under full control. to be able to do this under full control you need to know ; how to co ordinate the brake and clutch pedals so that the car comes to a halt under full control. the effect of ABS brakes - you need to know how to tell whether the car you’re driving has ABS brakes, as this might affect the way that you use the brake and clutch. how the weather and road conditions can affect the way that you stop safely how to control a skid if one occurs how to move away safely again after you’ve made an emergency stop