Вот есть инструкция
_http://www.clarion.com/ru/ru/MungoBlobs/793/418/DXZ778RUSB-ENG,12.pdf

Removing the DCP
1. With the SLOPING CONSOLE closed, turn off the power

Basic Operations
Turning on/off the power
Note:

Be careful about using this unit for a long time without running the engine. If you drain the car’s battery too far, you may not be able to start the
engine and this can reduce the service life of the battery.

1. Press the [SRC] button.
The mode that was previous active is displayed.
2. Press and hold the [SRC] button for 1 second or longer to turn off the power for the unit.

(03-06-2016 13:36)lepic2008 писал(а):  приколхозю, канешн выключатель, хотел же ш по-людски разобраться

Что мешает прицепиться к ключу зажигания?