• 31.10 Head unit27
• 31.15 Telephony22
• 31.16 Email/internet/computer/tablet2
• 31.20 Fleet management system/positioning2
• 31.21 Telematics service7
• 31.22 Emergency call system24
• 31.23 Emergency alarm system3
• 31.25 Radiophone/radio data transmission/fax1
• 31.30 Instrument cluster/onboard computer50
• 31.35 Tachograph/toll system4
• 31.40 Voice control system6
• 31.41 Voice output1
• 31.50 Display13
• 31.55 Navigation49
• 31.60 Operation/controller/on-board computer7
• 31.65 Radio46
• 31.66 TV10
• 31.67 Media playback/data medium22
• 31.68 Rear Seat Entertainment system3
• 31.75 Audio playback/audio output19
• 31.80 Antenna/antenna amplifier27