• 31.10 Head unit40
• 31.15 Telephony43
• 31.16 Email/internet/computer/tablet2
• 31.20 Fleet management system/positioning2
• 31.21 Telematics service27
• 31.22 Emergency call system5
• 31.25 Radiophone/radio data transmission/fax4
• 31.30 Instrument cluster/onboard computer103
• 31.35 Tachograph/toll system33
• 31.40 Voice control system12
• 31.45 Taxi/rental car/driving instruction vehicle2
• 31.50 Display14
• 31.55 Navigation42
• 31.60 Operation/controller/on-board computer9
• 31.65 Radio61
• 31.66 TV6
• 31.67 Media playback/data medium35
• 31.68 Rear Seat Entertainment system23
• 31.75 Audio playback/audio output27
• 31.80 Antenna/antenna amplifier33