• 31.10 Head unit28
• 31.15 Telephony26
• 31.16 Email/internet/computer/tablet3
• 31.20 Fleet management system/positioning61
• 31.21 Telematics service35
• 31.22 Emergency call system18
• 31.25 Radiophone/radio data transmission/fax3
• 31.30 Instrument cluster/onboard computer42
• 31.35 Tachograph/toll system37
• 31.40 Voice control system6
• 31.45 Taxi/rental car/driving instruction vehicle6
• 31.50 Display14
• 31.55 Navigation33
• 31.60 Operation/controller/on-board computer13
• 31.65 Radio12
• 31.66 TV5
• 31.67 Media playback/data medium15
• 31.68 Rear Seat Entertainment system4
• 31.75 Audio playback/audio output18
• 31.80 Antenna/antenna amplifier27