• 31.21 Telematics service2
• 31.25 Radiophone/radio data transmission/fax1
• 31.30 Instrument cluster/onboard computer59
• 31.35 Tachograph/toll system2
• 31.50 Display3
• 31.55 Navigation12
• 31.65 Radio29
• 31.67 Media playback/data medium1
• 31.75 Audio playback/audio output2
• 31.80 Antenna/antenna amplifier9