It's easy to get a COMAND installed by MBenzNL ([email protected]) if you're in one of his "installation areas" (which range from Europe to Australia and many points in between).
If you want to undertake the procedure yourself, it may save you money, or it may not (depending how many problems you have). And of course, after-the-install support will be up to you if you do it yourself. You can search on the net to find information on doing this yourself.
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