• 31.10 Head unit66
• 31.15 Telephony98
• 31.16 Email/internet/computer/tablet5
• 31.21 Telematics service12
• 31.22 Emergency call system10
• 31.23 Emergency alarm system5
• 31.25 Radiophone/radio data transmission/fax9
• 31.30 Instrument cluster/onboard computer46
• 31.35 Tachograph/toll system2
• 31.40 Voice control system14
• 31.41 Voice output3
• 31.45 Taxi/rental car/driving instruction vehicle10
• 31.50 Display9
• 31.55 Navigation61
• 31.60 Operation/controller/on-board computer5
• 31.65 Radio47
• 31.66 TV8
• 31.67 Media playback/data medium50
• 31.75 Audio playback/audio output64
• 31.80 Antenna/antenna amplifier28