1. A driver assist system for a vehicle, said driver assist system comprising: a CMOS camera disposed at a vehicle equipped with said driver assist system and having a field of view exterior of the equipped vehicle; wherein said CMOS camera is mounted at the rear of the equipped vehicle; a video display screen viewable by a driver of the equipped vehicle when the driver is normally operating the equipped vehicle, wherein said video display screen is operable to display images derived, at least in part, from image data captured by said CMOS camera with a display intensity of at least about 200 candelas/sq. meter for viewing by the driver of the equipped vehicle; wherein a visual cue is displayed by said video display screen in conjunction with display of said captured image data, said visual cue comprising an electronically-generated overlay; wherein said video display screen comprises a TFT liquid crystal display screen backlit by a plurality of white light emitting light emitting diodes; a human machine interface, said human machine interface comprising a user input; wherein said user input comprises at least one of a (i) a vocal input, (ii) a non-vocal input, (iii) a key input and (iv) a touch input; wherein, during a reversing maneuver of the equipped vehicle, image data captured by said CMOS camera is displayed by said video display screen as video images so as to assist the driver in reversing the equipped vehicle; and wherein, when a reversing maneuver of the equipped vehicle is not being executed, said display screen is operable to display information associated with at least one of (i) a navigational system, (ii) a telematics system and (iii) a vehicle information system.