Car manufacturers implement electronic lockouts to deter stereo theft. The head unit continuously monitors the vehicle’s primary electrical bus line. When constant 12V battery power drops to zero, the radio assumes it has been forcefully ripped out of the dashboard.

Locate the printed white label sticker on the top or side of the metal casing.

: Contacting a local vehicle dealership, providing ownership proof, and paying a fee ranging from $20 to $100.