• 31.10 Head unit18
• 31.15 Telephony34
• 31.16 Email/internet/computer/tablet2
• 31.20 Fleet management system/positioning20
• 31.21 Telematics service29
• 31.22 Emergency call system6
• 31.25 Radiophone/radio data transmission/fax6
• 31.30 Instrument cluster/onboard computer59
• 31.35 Tachograph/toll system47
• 31.40 Voice control system4
• 31.45 Taxi/rental car/driving instruction vehicle2
• 31.50 Display9
• 31.55 Navigation19
• 31.60 Operation/controller/on-board computer9
• 31.65 Radio29
• 31.66 TV4
• 31.67 Media playback/data medium26
• 31.68 Rear Seat Entertainment system5
• 31.75 Audio playback/audio output16
• 31.80 Antenna/antenna amplifier21