STG 56 (radio/navigation system) select
STG coding - > function 07
0?xxxxx: Vehicle
1 - AUDI a2
2 - AUDI A3 (8P)
3 - AUDI A4 (starting from MJ 2004)
4 - AUDI A4 Cabriolet (starting from MJ 2004)
5 - AUDI A6 (to MJ 2004)
6 - AUDI TT (starting from MJ 2004)
0x?xxxx: Fault-tracing
0 - Fault-tracing for front loudspeakers enabled
1 - Fault-tracing for front loudspeakers disabled
0xx?xxx: Sound characteristic
0 - linear sound characteristic
1 - AUDI A4 (starting from MJ 2004)
2 - AUDI A6 (to MJ 2004)
3 - AUDI A4 Cabriolet (starting from MJ 2004)
4 - AUDI TT (starting from MJ 2004)
5 - AUDI A3 (8P)
9 - Bose sound system
0xxx?xx: Telephone/telematics
1 - no telephone (supply voltage for microphone actively)
2 - Mobile phone preparation (Temic - Speisesp. Microphone inactively)
3 - Mobile phone preparation (Cullmann - Speisesp. Microphone inactively)
4 - Mobile phone preparation (Nokia - Speisesp. Microphone inactively)
5 - Telematics Europe (supply voltage microphone inactively)
6 - Telematics US (supply voltage microphone inactively)
0xxxx?x: Configuration I
1 - no accessory Tuner
2 - Digital radio
3 - Satellite radio
4 - Satellite and digital radio
0xxxxx?: Configuration II
1 - no TV Tuner, CD changer or multi-function steering wheel
2 - TV Tuner available
3 - CD changer available
4 - TV Tuner and CD changer available
5 - Multi-function steering wheel available
6 - TV Tuner and multi-function steering wheel available
7 - CD changer and multi-function steering wheel available
8 - TV Tuner, CD changer and multi-function steering wheel available