MK4 cars with single DIN P5 radio. Plug and play. Premium 5: FITS Golf, GTI, Jetta, GLI 1999.5 - 2001 Passat 1998 - 2001. MK4 cars with Double DIN P6 radio. REQUIRES EXTRA PARTS. Fits: Golf, GTI, Jetta, GLI 2001.5 - 2006, Passat 2001.5 - 2006 Plug and play. MK4.5 cars with double din CD player/USB/Aux. CITY Jetta and City Golf in Canada 2006 - 2010. Unit is plug and play. When fitting into P6 applications, radio does not come complete with necessary connectors. The installation requires Quadlock plug connector 1x 7L0-051-445-A and FAKRA to ISO Antenna adapter 1x 000-098-696 or 000-051-541 sold separately. Does not support cars with Monsoon and OnStar. Does not connect to vehicle CAN-bus. As a result, MFA functions (on dash & steering wheel controls) are not supported. Lose of use of: Single DIN in dash or trunk mounted CD player. REMOVE YOUR CD CARTRIDGE BEFORE STARTING INSTALLATION. Great performance for little money. If you just want non-stop music enjoyment or safe basic hands-free motoring when driving %u213 you can enjoy the advantages of cable-free data transfer using "Volk-L Radio". Volk-L Radio combines an MP3 radio and a Bluetooth basic hands-free system into one device. Using the Bluetooth function of your mobile phone, simply link and play back your MP3 / WMA music files to the "Volk-L Radio" or use the connecting possibilities (AUX-IN / USB slot) to be able to listening to music from external media data carriers and MP3 play back devices. The telephone muting is activated automatically when an incoming call is registered and calls can be made comfortably using the integrated Bluetooth hands-free system. MP3/CD drive, FM/AM tuner. Store up to 24 FM and 12 AM stations. USB specification supported: Support USB/SD memory, USB multi reader & MP3 player with USB port FAT12/16/32 File System support Max File/DIR. count : 999 Max File/DIR. Name : 64Byte Support MP3/WMA(see MP3/WMA spec.) Not supported USB 2048 Byte per Sector USB (Normal case 512 Byte per Sector) Multi-partition USB Not supported file MP3 : ID3 V2 Header size > 64KByte WMA : WMA Header size > 64KByte