Bought a new delphi delco cd player for my 2004 malibu maxx, deck is locked and I'd like to unlock it myself (really don't feel like paying a dealer $100 or more)
You will have to have the radio programmed to the vehicle (they have to do a service program to store the VIN in the new radio and configure the features to your vehicle..) it is a security feature. plus the 04 malibu maxx uses the GM LAN data com. and your radio is also your driver's information center.
guitdown ASE master tech/ GM tech.
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