Why is my radio screen dim?
Check to see if your car stereo has a dimmer setting, which can disable the display. If the car audio system does have this setting, try adjusting it to the different dimmer settings. The car stereo may not function properly if the connectors between the receiver and the front panel are not clean.
Why is my car display screen not working?
A cracked touch screen is one of the main reasons that lead to an unresponsive car stereo screen. Check out for visible damages. If the screen has cracks or visible damage, you probably need to repair it. Sometimes, even minute scratches can lead to a faulty touch screen for your car stereo.