Method and device for avoiding rear-end collisions

Method and device for avoiding collisions during start-up behind a preceding vehicle, wherein the spacing and / or speed to the preceding vehicle is determined by means of an aligned in the vehicle run environment sensor and evaluating a driver-operated longitudinal dynamics programmed when there is a starting situation, if a risk of collision of the own vehicle with the preceding vehicle is present, and is engaged when there is a risk of collision in the drive train and / or the deceleration devices of the vehicle to reduce the risk of collision, and / or driver warning devices are activated to inform the driver about the danger of collision.