Connects2 CTSJD002 For Vehicles With Generation 4 Command Centre SystemsJohn Deere 6R Series 2021 Up Retains the audio controls in John Deere 6R Series 2021 Up Tractor. Our interface also retains the USB and AUX input as well as select functionality of the OEM screen. Once the aftermarket radio is installed, the OEM display will show the CD home page screen. Volume +, Volume , Track +, Track and Mute functions will work as when the OEM head unit was installed. The play pause buttons will now perform the source function on