About: PAC RP4-VW11 Radiopro4 Stereo Replacement Interface with Steering Wheel Controls 

The PAC RP4-VW11 All-In-One Radio Replacement and Steering Wheel Control Interface makes it easier to adjust a radio's settings while driving. It provides a substitute when an original interface fails or malfunctions. It is pre-loaded with amplifier retention and SWC software, navigation based output signals and other features that save time and money during installation. Retaining all OEM safety and convenience features, it makes transition and use after replacement more convenient. Data-controlled outputs give this car radio inferface connection to navigation, e-brake status and more. It also keeps the vehicle's data-bus intact for when the vehicle is serviced and tested for proper emission levels. If necessary, it can be quickly updated from the website with a USB adapter. The PAC interface is designed for select VW vehicles with CAN bus. 

Features:

• All-in-1 radio replacement and steering wheel control interface
• Pre-loaded with amp retention and navigation based output signals
• Retains all important OEM safety and convenience features
• Data-controlled RAP accessory output
• Data-controlled outputs for connection to navigation radio and speed, reverse and E-brake status output wires
• Keeps vehicle data-bus intact for service and emissions testing
• Retains factory installed amplified audio system
• Interface can be quickly updated if needed from the PAC website using a PAC-UP USB adapter
• PAC interface for select VW vehicles with CAN bus