Does anyone know of any product that I can put into the port in the overhead space that is normally occupied by the On-Star computer? I am looking for some sort of on board computer for mileage fuel consumption or compass/outside temp readouts.
TIA
Does anyone know of any product that I can put into the port in the overhead space that is normally occupied by the On-Star computer? I am looking for some sort of on board computer for mileage fuel consumption or compass/outside temp readouts.
TIA
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