I wrote a similar email that says the following:
I am not trying to tell you how to do your job but you may want to announce something that says that to people. Pioneer's reputation is dropping and you are being perceived as not caring about your customers and being all about the money. This includes me due to the fact that the key features I bought my radio for like Avicsync, maestro, and dual zone screen (not just for video for full mirroring) that I was told by a pioneer rep that works with cartunes that this would work and come to find out that they don't work as expected. If you do