• 31.10 Head unit20
• 31.15 Telephony57
• 31.16 Email/internet/computer/tablet2
• 31.20 Fleet management system/positioning38
• 31.21 Telematics service39
• 31.22 Emergency call system6
• 31.25 Radiophone/radio data transmission/fax15
• 31.30 Instrument cluster/onboard computer84
• 31.35 Tachograph/toll system88
• 31.40 Voice control system5
• 31.45 Taxi/rental car/driving instruction vehicle2
• 31.50 Display9
• 31.55 Navigation29
• 31.60 Operation/controller/on-board computer9
• 31.65 Radio35
• 31.66 TV4
• 31.67 Media playback/data medium28
• 31.68 Rear Seat Entertainment system5
• 31.75 Audio playback/audio output16
• 31.80 Antenna/antenna amplifier30