Medion LIFE P62024 Manuel D'utilisation page 57

 To fix the mounting frame in the installation slot, use a screwdriver to bend as
many flaps as possible outwards (5). Select the flaps that connect with the housing
of the installation slot.
NOTE!
Check that the installation frame is held securely. The frame must be fixed
securely so that it cannot release even during sudden braking.
 Before using the car radio and putting on the cover frame (6), make the electrical
connections.
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