• 31.10 Head unit43
• 31.15 Telephony35
• 31.16 Email/internet/computer/tablet17
• 31.20 Fleet management system/positioning1
• 31.21 Telematics service40
• 31.22 Emergency call system19
• 31.23 Emergency alarm system2
• 31.25 Radiophone/radio data transmission/fax2
• 31.30 Instrument cluster/onboard computer39
• 31.35 Tachograph/toll system10
• 31.40 Voice control system4
• 31.41 Voice output1
• 31.45 Taxi/rental car/driving instruction vehicle4
• 31.50 Display12
• 31.55 Navigation55
• 31.60 Operation/controller/on-board computer10
• 31.65 Radio35
• 31.66 TV20
• 31.67 Media playback/data medium46
• 31.68 Rear Seat Entertainment system26
• 31.75 Audio playback/audio output16
• 31.80 Antenna/antenna amplifier26