Changing between panels
After a menu item is selected, e.g., "Radio", a new panel is displayed. Panels can overlap.
▷ Move the controller to the left.
The current panel is closed and the previous panel is displayed.
The previous panel is opened again by pressing the BACK button. In this case, the current panel is not closed.
▷ Move the controller to the right.
A new panel is opened on top of the previous display.

White arrows pointing to the left or right indicate that additional panels can be opened.
See also:
Multi-channel playback,
surround
Setting multi-channel playback,
surround
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Surround"
Surround
When surround is activate ...
Washer fluid reservoir
Adding washer fluid
Only add washer fluid when the engine is
cool, and then close the cover completely to
avoid contact between the washer fluid and hot
engine parts.
Otherwise, there is the ...
Safety
Both the coupe and convertible have front airbags plus side-impact airbags
built into the front seats. As required of all 2012 models sold in the U.S., the
640i has standard antilock brakes and an ...
