• 31.10 Head unit3
• 31.15 Telephony9
• 31.23 Emergency alarm system10
• 31.25 Radiophone/radio data transmission/fax4
• 31.30 Instrument cluster/onboard computer52
• 31.35 Tachograph/toll system28
• 31.50 Display7
• 31.55 Navigation6
• 31.65 Radio8
• 31.67 Media playback/data medium4
• 31.75 Audio playback/audio output1
• 31.80 Antenna/antenna amplifier4