ADS Maestro ADS-MRR iDataLink Steering Wheel Interface w/HRN-RR-GM5 T Harness 2006 UP GM Vehicles and a Free SOTS Air Freshener Includes HRN-RR-GM5 Interface Harness Includes ADS-MRR Interface Module Retains Steering Wheel Audio Controls Retains Warning chimes Retains Factory On Star, and Amp