The problem with the radio/climate control + OBD is that there is no key in the ignition. I can connect to the OBD and read the car's parameters, even though the ignition is off and the engine is not running. The radio has the same problem. The backlight turns on, the date and time are displayed, as well as the air flow. The radio is off, but the entire screen works when the ignition is off. It often stays on all night long, sometimes it flashes, sometimes it works normally, meaning it's off, but it doesn't light up and only the time is displayed. As it should be, I replaced the ignition switc… Read complete