• 31.10 Head unit64
• 31.15 Telephony83
• 31.16 Email/internet/computer/tablet17
• 31.20 Fleet management system/positioning1
• 31.21 Telematics service34
• 31.22 Emergency call system45
• 31.30 Instrument cluster/onboard computer81
• 31.35 Tachograph/toll system15
• 31.40 Voice control system27
• 31.41 Voice output3
• 31.45 Taxi/rental car/driving instruction vehicle1
• 31.50 Display13
• 31.55 Navigation50
• 31.60 Operation/controller/on-board computer13
• 31.65 Radio50
• 31.66 TV17
• 31.67 Media playback/data medium64
• 31.68 Rear Seat Entertainment system51
• 31.75 Audio playback/audio output63
• 31.80 Antenna/antenna amplifier19