There are some serious bugs in 2014 Mazda 3 Infotainment System, according to users. The stock software of the 2014 Mazda 3 Infotainment System are prone to crashes.
Mazda has issued an update for the Infotainment System. The current version of the OS is 25.00.400 and available through Mazda dealers.
The current version of the Infotainment System seems to fix the crashing issue, but still suffers from slow-down.
Mazda is expected to release new version of the Infotainment System, as demoed at 2014 CES, in the near future.
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Version 27.00.000 is now available. My Mazda 3 is updated already.
Did the version 27 allow you to mute the Turn by Turn Nav correctly without speakers cutting out? Come with anything else? Need to get update now. I just bought my Mazda 3 yesterday and it still has version 24!
I asked Mazda regarding version 27 and they did not acknowledge that it is available to customers.
As for version 25, there is no way to “mute” only the nav guide.