Do not turn off the ignition or power during the update. If the screen stays black for a few minutes, wait for it to complete the background loading. Updating Android Auto specifically
Determine if your unit has a physical volume knob or is touch-only, as firmware versions often differ for these styles. Stability Rule: android auto firmware latest update 8227l extra quality
: With the car engine running for battery safety, he plugged the drive in and tapped the screen until the magic green word “detected” appeared. Do not turn off the ignition or power during the update