Easily Upgrade a vehicle's radio without losing steering wheel controls and other factory features with PAC's RadioPRO Advanced Radio Installation Adapter. This product allows the replacement of your automobile's original radio with an upgraded aftermarket radio. It has been engineered to interface with the automobile's computer data bus system. It retains important safety and convenience features such as steering wheel controls and factory amplified audio systems, including Alpine, Boston Acoustics, or Infinity (if equipped). Key Features Retains steering wheel controls (pre-programmed) Data controlled accessory and navigation outputs Retains factory amplifier Factory RSE activation 12V ACC output (RAP) Vehicle Speed Sense (VSS) Illumination, reverse, and parking brake outputs Antenna Adapter included Factory USB port retention cable included Benefits Easier installation Improved factory feature retention PAC quality and reliability