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 you reset the radio on a Toyota Corolla?
Press the power button on the radio. Press and hold the 1 button, as well as the up arrow on the left side of the radio, at the same time.
Why is my car screen not on?
Check for a Faulty Head Unit, LCD, or Backlight
If that’s the case, then the problem might be one of the following: Your main unit is faulty or damaged. The backlight of the display is defective or broken. The LCD is flawed or damaged.
Why is my car radio display not working?
A damaged or defective fuse might lead your car radio display not to work. This particular fuse sits right between the display unit and the power line. If you installed a newer stereo system by replacing the stock one, there might be an issue where the aftermarket stereo won’t turn on due to a defective fuse.