Automatic Vehicle Tracking Unit allows an individual vehicle`s position, along with speed, altitude and orientation, to be determined using a 12-channel GPS receiver. The Vehicle Tracking Unit ensures that the vehicular position data can be transmitted over the GSM network and/ or through GPRS. The Vehicle Tracking Unit has the ability to monitor sensors on 2 analog input channels, the status of 2 digital inputs and operate 1 digital output. Automatic Vehicle Tracking Unit allows users to input data into the system as well as to view system outputs and other messages on an LCD screen.