• 31.10 Head unit15
• 31.15 Telephony9
• 31.21 Telematics service7
• 31.22 Emergency call system8
• 31.30 Instrument cluster/onboard computer26
• 31.35 Tachograph/toll system2
• 31.40 Voice control system1
• 31.41 Voice output1
• 31.50 Display4
• 31.55 Navigation11
• 31.60 Operation/controller/on-board computer1
• 31.65 Radio5
• 31.67 Media playback/data medium2
• 31.75 Audio playback/audio output2
• 31.80 Antenna/antenna amplifier2