• 31.10 Head unit1
• 31.15 Telephony3
• 31.20 Fleet management system/positioning13
• 31.21 Telematics service8
• 31.23 Emergency alarm system4
• 31.25 Radiophone/radio data transmission/fax1
• 31.30 Instrument cluster/onboard computer75
• 31.35 Tachograph/toll system37
• 31.45 Taxi/rental car/driving instruction vehicle1
• 31.50 Display8
• 31.55 Navigation6
• 31.65 Radio8
• 31.67 Media playback/data medium8
• 31.80 Antenna/antenna amplifier2