Upgrade Medianav 9.1.3 To 1.0.13.1 _best_

might be needed to align with your car's specific features (like the rearview camera). Aftermarket Firmware

The screen may turn black or restart several times. This is normal. Do not remove the USB drive or turn off the ignition until the radio returns to the main menu and displays the home screen. Troubleshooting Common Issues upgrade medianav 9.1.3 to 1.0.13.1