Take it to a dealer and have it reprogrammed to the VIN number of theMy vehicle is a 2000 Pontiac Montana, and the stereo came out of an 02 Grand Prix. How do I unlock my GM stereo, I've tried pressing 2 & 3 presets and nothing happens. Someone said I may have to take it to the dealer because of it being RDS but I wondered if anyone else knew anything about them.
new vehicle. Make sure you bring a receipt that you bought the stereo
legally or they won't touch it.