• 31.10 Head unit2
• 31.15 Telephony4
• 31.23 Emergency alarm system4
• 31.25 Radiophone/radio data transmission/fax1
• 31.30 Instrument cluster/onboard computer64
• 31.35 Tachograph/toll system34
• 31.50 Display12
• 31.55 Navigation4
• 31.65 Radio10
• 31.67 Media playback/data medium4
• 31.80 Antenna/antenna amplifier4