• 31.15 Telephony2
• 31.21 Telematics service2
• 31.25 Radiophone/radio data transmission/fax1
• 31.26 Passenger stop request system1
• 31.30 Instrument cluster/onboard computer10
• 31.35 Tachograph/toll system7
• 31.50 Display4
• 31.65 Radio4
• 31.66 TV2
• 31.75 Audio playback/audio output1
• 31.80 Antenna/antenna amplifier1