1. A monitoring arrangement for monitoring an environment exterior of a vehicle, comprising: at least one receiver arranged to receive waves from the environment exterior of the vehicle which contain information on any objects in the environment and generate a signal characteristic of the received waves; and a processor coupled to said at least one receiver and comprising pattern recognition means for processing the signal to provide a classification, identification or location of the exterior object, said pattern recognition means being structured and arranged to apply a pattern recognition algorithm generated from data of possible exterior objects and patterns of received waves from the possible exterior objects; whereby a system in the vehicle is coupled to said processor such that the operation the system is affected in response to the classification, identification or location of the exterior object.