I bought the navigation to simply upgrade my 2004 Escalade. Instead of dealing with a million wire harnesses for steering controls and upgraded Bose system I went for just play and play . I removed the old factory tape/cd player and installed the Y91 navigation with joystick. It lite up and everything fine then went into “ theftlock activated “ any tricks to overcome this situation without going to the dealership?? Much appreciated for any input thanks

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