RYSJM | M3 HD Car Head up Display GPS Speedometer KM/H Digital HUD Windshield Projector Auto Electronics

My friend, to ensure that the product can be used normally in your car, please send me your model brand and model year before buying the product, and I will check if it is suitable for OBD mode. All diesel cars do not show OBD function, Gasoline cars before 2008 are not suitable for OBD and some cars do not show it, such as for Renault, for Peugeot, for Suzuki and other car series. If the model is incompatible with the product due to self-purchase, you will have to bear the after-sale problem, Thank you for your understanding and supportM3-OBD:Function: Vehicle speed, water temperature, voltage, single driving rangeAlarm: overspeed alarm, water temperature alarm, voltage alarm, fatigue driving reminder, fault alarm