• 31.10 Head unit58
• 31.15 Telephony58
• 31.16 Email/internet/computer/tablet3
• 31.20 Fleet management system/positioning1
• 31.21 Telematics service32
• 31.22 Emergency call system57
• 31.30 Instrument cluster/onboard computer52
• 31.35 Tachograph/toll system14
• 31.40 Voice control system7
• 31.45 Taxi/rental car/driving instruction vehicle1
• 31.50 Display12
• 31.55 Navigation50
• 31.60 Operation/controller/on-board computer12
• 31.65 Radio47
• 31.66 TV7
• 31.67 Media playback/data medium38
• 31.68 Rear Seat Entertainment system5
• 31.75 Audio playback/audio output13
• 31.80 Antenna/antenna amplifier19