General infotainment functions

See also:
Limitations
Main channel vs. sub-channels (FM only): The main channel is the only channel
that can receive in hybrid mode (both digital and analogue). If a frequency
has subchannels, they are broadcast i ...
Screen aspect ratio
Three screen aspect ratios can be set:
Normal, Zoom 1 and Zoom 2.
Normal: The image on the screen is presented
at the normal aspect ratio (usually 4:3 or 16:9).
Zoom 1: Full-screen image, but par ...
Call volume
Call volume can be only be adjusted during a
call. Use the buttons in the steering wheel keypad
or the infotainment system’s VOL control. ...
