• 31.10 Head unit6
• 31.15 Telephony1
• 31.21 Telematics service12
• 31.22 Emergency call system6
• 31.30 Instrument cluster/onboard computer8
• 31.35 Tachograph/toll system4
• 31.50 Display4
• 31.55 Navigation8
• 31.60 Operation/controller/on-board computer4
• 31.65 Radio3
• 31.66 TV1
• 31.67 Media playback/data medium2
• 31.75 Audio playback/audio output8
• 31.80 Antenna/antenna amplifier6