• 31.10 Head unit63
• 31.15 Telephony97
• 31.16 Email/internet/computer/tablet7
• 31.20 Fleet management system/positioning1
• 31.21 Telematics service26
• 31.22 Emergency call system45
• 31.25 Radiophone/radio data transmission/fax3
• 31.30 Instrument cluster/onboard computer59
• 31.35 Tachograph/toll system10
• 31.40 Voice control system28
• 31.45 Taxi/rental car/driving instruction vehicle1
• 31.50 Display16
• 31.55 Navigation55
• 31.60 Operation/controller/on-board computer14
• 31.65 Radio90
• 31.66 TV17
• 31.67 Media playback/data medium53
• 31.68 Rear Seat Entertainment system4
• 31.75 Audio playback/audio output37
• 31.80 Antenna/antenna amplifier33