� Increase brake life�By using your car�s own braking system, AutoStop reduces wear and tear on your RV brakes. � Improve towing safety�AutoStop minimizes �spongy� braking situations caused by overworked brakes. � Reduce stopping distances�AutoStop uses 80 percent of your car�s own braking power to reduce stopping distances by 10 to 30 percent. � Have no required hydraulic modifications �AutoStop directly activates the towed vehicle�s brake pedal�leaving the hydraulic system untouched. Any do-it-yourself mechanic can safely install AutoStop. All models are rated for vehicles weighing up to 5,000 pounds.