Peripheral PGHHD1 PXAMG Vehicle Specific Harness for Honda and Acura Vehicles Radio must have an "XM" or "SAT" button to be compatible 2006 & Up Honda Civic: Not compatible with DX or LX trim Civic radio can have an "XM/AUX" button or just an "AUX" button to be compatible PXAMG vehicle specific harness for Honda and Acura vehicles. This harness is required and connects the PXAMG to your vehicle. Radio must have a &quot;XM button to be compatible (except Civic, see below)