Blaupunkt St. Louis MP56 Operating And Installation Instructions page 11

To switch off the device:
➔
Press and hold the On/Off but-
4
ton for approx. two seconds.
In addition, the device is automat-
ically switched off as soon as you
switch of the vehicle ignition. If
you switch on the ignition again,
it also automatically switches on
the device again.
Placing the device in operation
11