Może masz namieszane coś w ustawieniach kodowania radia?

xxxx? - Radio configuration
1 - Remotely powered aerial
3 - Remotely powered aerial, CD changer
5 - Remotely powered aerial, Secondary display
7 - Remotely powered aerial, CD changer, Secondary display

xxx?x - Sound system adjustment
0 - Standard (not BOSE sound system)
1 - BOSE sound system

xx?xx - Number of passive loudspeakers
0 - No passive loudspeakers (BOSE sound system)
1 - 1 passive loudspeaker at front left (BOSE with telephone)
2 - 2 passive loudspeakers at front and 2 active loudspeakers at rear
4 - 4 passive loudspeakers
5 - 2 passive loudspeakers at front and no active loudspeakers at rear

x?xxx - Sound balancing
0 - Standard

?xxxx - Country identification
0 - Europe
1 - USA