• 31.10 Head unit14
• 31.15 Telephony39
• 31.20 Fleet management system/positioning37
• 31.21 Telematics service18
• 31.22 Emergency call system2
• 31.25 Radiophone/radio data transmission/fax15
• 31.30 Instrument cluster/onboard computer77
• 31.35 Tachograph/toll system77
• 31.40 Voice control system1
• 31.45 Taxi/rental car/driving instruction vehicle1
• 31.50 Display6
• 31.55 Navigation23
• 31.65 Radio26
• 31.67 Media playback/data medium17
• 31.68 Rear Seat Entertainment system1
• 31.75 Audio playback/audio output8
• 31.80 Antenna/antenna amplifier24