iDatalink MAESTRO ADS-MRR + HRN-HRR-GM5 T-Harness Chime Speaker for GM 2006 & UP

You will need to log in Maestro iDatalink website to be able to flash. allows installation of a new receiver in select GM vehicles 2006 & up. 2006 - 2011 Lucerne (Base). 2006 - 2011 DTS (Base). 2006 - 2013 Impala (Base).