• 31.10 Head unit79
• 31.15 Telephony82
• 31.16 Email/internet/computer/tablet19
• 31.20 Fleet management system/positioning1
• 31.21 Telematics service34
• 31.22 Emergency call system51
• 31.23 Emergency alarm system1
• 31.25 Radiophone/radio data transmission/fax2
• 31.30 Instrument cluster/onboard computer92
• 31.35 Tachograph/toll system16
• 31.40 Voice control system7
• 31.45 Taxi/rental car/driving instruction vehicle6
• 31.50 Display18
• 31.55 Navigation72
• 31.60 Operation/controller/on-board computer12
• 31.65 Radio59
• 31.66 TV8
• 31.67 Media playback/data medium49
• 31.68 Rear Seat Entertainment system23
• 31.75 Audio playback/audio output21
• 31.80 Antenna/antenna amplifier25