New Siriusxm Xm Snap In-Vehicle Satellite Radio Powerconnect Simple Installation Plug-In Easy-to-use and simple installation plug-in, place antenna and tune the radio. PowerConnect FM transmitter works through the vehicle's radio for DIY installation. Flexible audio connection options: AUX-in cable or built-in PowerConnect FM transmitter. Channel scanning allows the user to scan through the channels in a category to find the desired station. Non-defective return will be charged 20% restocking fee.