Automobile design has improved immensely since the first mass-produced cars of the 20th century. You and the public benefit from the countless safety enhancements made in the last century every time you drive your car. However, all of that is circumvented when a trailer is improperly hitched to a car or truck. The safest car in the world can cause a deadly crash if it unleashes a runaway trailer onto the highway. Losing your trailer can also cause you to lose control and get into a car accident. Safely hitching.