Patent ID: 7675432

Claim:
A lane assist system for a motor vehicle, comprising: a surround sensor device, which is mounted on the vehicle, for detecting a lane of the vehicle; and a device for alerting a driver of the vehicle in the event that the vehicle at least one of (a) threatens to depart the lane and (b) actually departs the lane, the device being adapted to cause a vibration, noticeable to the driver, in a driver seat on a side of a seating surface on which a lane departure at least one of (a) threatens and (b) is taking place, the vibration being produced by a vibration mat underneath the seating surface of the driver seat, the vibration mat being adapted to be activated separately for the left and right side; wherein: the surround sensor device includes a sensor for detecting vehicles approaching from a rear; if it is detected, during a change to a new lane, that a vehicle is rapidly approaching from the rear on the new lane, the lane assist system outputs a warning; the surround sensor device includes a sensor for detecting a roadway edge; and in the event that the vehicle at least one of (a) threatens to cross the roadway edge and (b) actually crosses the roadway edge, the lane assist system is configured to automatically intervene in a steering system of the vehicle.