• 31.10 Head unit29
• 31.15 Telephony24
• 31.16 Email/internet/computer/tablet2
• 31.20 Fleet management system/positioning2
• 31.21 Telematics service14
• 31.22 Emergency call system27
• 31.23 Emergency alarm system3
• 31.25 Radiophone/radio data transmission/fax1
• 31.30 Instrument cluster/onboard computer57
• 31.35 Tachograph/toll system6
• 31.40 Voice control system6
• 31.41 Voice output1
• 31.50 Display14
• 31.55 Navigation59
• 31.60 Operation/controller/on-board computer9
• 31.65 Radio53
• 31.66 TV17
• 31.67 Media playback/data medium22
• 31.68 Rear Seat Entertainment system4
• 31.75 Audio playback/audio output31
• 31.80 Antenna/antenna amplifier34