Automobile heads-up display device for projecting a map on a windshield

An automobile heads-up display device for projecting a map on a windshield includes a coupler and a housing. The coupler is removably couplable to a rear-view mirror. The housing is attached to the coupler and includes a front and rear faces. The front face is positioned facing away from the coupler. The rear face is positioned facing toward the coupler. A transceiver is positioned in the housing. The transceiver is wirelessly connectable to a global positioning system. A projector is positioned in the housing and facing out of the front face of the housing. The projector projects a map on a windshield of the automobile. A microprocessor is positioned in the housing. The microprocessor is connected to the transceiver and the projector to control the projector to display navigational information from the global positioning system. A battery is disposed in the housing to supply power.