Why did my screen go black in my car?
Restart Your Car’s Infotainment System
The reason you’re facing the black screen issue may not even be related to Android Auto on your phone. It could be that your car’s stereo system or head unit is malfunctioning, so you’re unable to use Android Auto. A quick fix for this issue is to restart your car’s head unit.
How do I reset my car screen?
Sometimes it can be as simple as unplugging your phone from the USB port and plugging it back in. Other times, simply turning the system off and on again can do the trick.
Why won’t my car radio screen turn on?
Some of the most common issues include a blown fuse, bad or damaged wiring, and anti-theft modes that are often triggered when the battery dies. In order to track down the reason that your car radio won’t turn on, you’ll want to tackle each of these potential issues one at a time.