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  1. Electrical / HVAC
    Hello, I have an issue with voice guide and handsfree system. As you can hear on the video it's rumbling and it's impossible to understand the voice assistant. It looks the same when I call someone via handsfree system. I can't understand my converser. I have TomTom's NB1 headunit and BOSE sound...
  2. Electrical / HVAC
    Hi folks, New to the forum and to Mazda! I recently acquired a 2014 Mazda 6 Sport Nav 2.2D Tourer Estate with the seemingly awful NB1 infotainment system. I'd really like to upgrade this if I can as it's the only part of the car I'm not happy with. I've seen various threads on here of similar...