2012 BMW 640 review
See also:
Volume
"Speed volume": speed-dependent volume
control.
"PDC": volume of the PDC signal* compared
to the entertainment sound output.
"Gong": volume of the signal, su ...
Hiding Check Control messages
Press the computer button on the turn signal
lever.
▷ Some Check Control messages are displayed
continuously and are not cleared until
the malfunction is eliminated. If several
malfun ...
Notes
Working in the engine
compartment
Never attempt to perform any service or
repair operations on your vehicle without the
necessary professional technical training.
If you are unfamiliar with t ...
