See also:

Activation
PAC is activated when the gear selector is moved to R if the system is selected in the MY CAR menu system or by pressing the CAM button in the center console. See page 133 for a description ...

Symbols and messages in the display
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Current fuel consumption (Instantaneous)
Current fuel consumption is calculated every second. The information on the display is updated every few seconds. When the vehicle is stationary, "----" appears on the display. ...