CONTROL OF VEHICLE More fatal crashes occurred during daylight hours with normal surface, clear weather  conditions, and the vehicle in good mechanical condition than under any other condition.  The driver is the greatest singular cause of traffic crashes.  You are issued a driver’s license based on the premise that you will obey the laws and  keep your vehicle under control at all times.  When you are able to direct and regulate the course and speed of your vehicle and you  have the ability to slow or stop when you wish to do so you are exercising control of your  motor vehicle.  Every driver of a vehicle must exercise care to avoid colliding with a pedestrian, an animal  or another vehicle. You must be able to stop if necessary and shall slow down when  circumstances require. Some circumstances to watch for are as follows: You must control yourself before you can control a vehicle. Driving with insufficient  sleep, anger, or distractions are examples of factors that will impair your ability to  safely control a vehicle. DRIVERS TO EXERCISE DUE CARE 