• 31.10 Head unit41
• 31.15 Telephony25
• 31.16 Email/internet/computer/tablet20
• 31.21 Telematics service19
• 31.22 Emergency call system15
• 31.23 Emergency alarm system5
• 31.25 Radiophone/radio data transmission/fax7
• 31.30 Instrument cluster/onboard computer33
• 31.35 Tachograph/toll system2
• 31.41 Voice output1
• 31.45 Taxi/rental car/driving instruction vehicle13
• 31.50 Display9
• 31.55 Navigation48
• 31.60 Operation/controller/on-board computer2
• 31.65 Radio31
• 31.66 TV30
• 31.67 Media playback/data medium39
• 31.68 Rear Seat Entertainment system22
• 31.75 Audio playback/audio output14
• 31.80 Antenna/antenna amplifier31