Carrera PCM 3.1 With Navigation The CD/DVD drive plays CDs and audio DVDs and is MP3-compatible. A six-disc CD/DVD changer integrated into PCM is included. This replaces the complete headunit with a Navigation ready unit. A navigation module with high-speed hard drive is included with PCM. For route guidance, it is possible to select between a 2D display and a 3D perspective on the PCM monitor (maps will not display on the instrument cluster). In some regions, even land and buildings can be displayed in 3D. Split screen mode enables you to view two functions at once, such as the current navigation map and a list of symbols that represent the next navigation instruction. PCM including navigation module with standard audio interface + DVD autochanger has the following equipment and functions: Central multimedia system with 7-inch TFT color display (touchscreen) Radio with RDS diversity function Integrated 6-slot CD/DVD autochanger for audio playback of audio/video DVDs and MP3 music Navigation module with hard drive and map data for the respective countries, map display with greater perspective, automatic route recording and subsequent backtrace navigation as well as navigation in non-digitalised regions using a compass and GPS. USB connection for various iPod® and iPhone® models, USB memory sticks with MP3 music and MP3 players. Functions can be operated via PCM, the optional multi-function steering wheel or optional voice control. AUX interface for connecting other external audio sources, allowing operation directly on the connected device. Enter your VIN number when ordering, and verify that it is correct (one wrong digit will ruin this kit, please verify). Fits the new (991 generation) 2012.5 or newer 911 Carrera models (including S, 4, 4S, GTS, Targa, GT3, & Turbo). Note: Not compatible with the factory XM radio, you will loose that feature if it's on your current radio. Only for cars with Sound Package Plus, BOSE, or Burmeister systems. Option 680, 682, or 490.