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Master
437 Answers
- Posted on Sep 02, 2009
Re: 2004 chevy tahoe radio display locked hold 2 and 3...
The 2 and 3 button trick doesn't work on your 04 or newer chevy trucks, The RDS double din mount radios use a data stream calibration system to unlock and if you change radio from one truck to another then the data info is different and need a GM tech II from the dealer to recalibrate the radio.
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