Head Units
The audio systems have three levels: low line, mid line and high line versions. All the audio systems (low, mid, high) are based around a head unit which communicates on the Media Orientated System Transport (MOST) ring and the medium speed controller area network (CAN) bus.
Low/Mid Line Head Unit
The Head Unit (HU) is located in the instrument panel and incorporates the following systems:
- HD Radio (where fitted)
- Bluetooth® receiver (telephone and audio streaming)
- 40 Gb Hard drive
- USB controller (front)
- Audio AUX
- CD player
The low line HU contains the following functionality:
- Radio tuner
- Single disc compact disc (CD) player
- Amplifier
The HU communicates with other vehicle systems on the CAN bus.
