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S12
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I recently bought a 2005 Boxster S with PCM 2.1, CD changer and Bose. I have come across a couple of problems which do not seem too major at the moment, but might cause me problems if I want to change the system. When I first get into the car (before turning the key or turning on the PCM), there is a clear hissing from the door mounted tweeters. This is so quiet that it is not noticeable when the car engine is turned on or if there is any other background noise. When I go in to check the software versions screen, there are warning triangles with red exclamation marks next to the Amp and CD changer entries, everything else has ticks. Apart from the hissing, the operation of the system is totally fine. However, I would really like to upgrade the Sat Nav maps and install a Dension/Mobridge iPod solution and am worried about doing this if it will add to any existing problems that I have. I am guessing that if I take it into an OPC, they will just automatically blame any faults on updates I have made to the system myself! Has anyone else had similar problems?