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Discussion Starter · #1 ·
I just installed my DNX6140 in my 09 Sierra Denali Yesterday. I was out last night playing around with a lot of the features and noticed that the NAV voice was extremely quiet when music is playing. I could only tell that it was saying something becasue the front speakers quit playing music, but I could not understand what it was saying. is there anyway to adjust the volume for the navigation?

Also, I was trying to get a movie to play from my iphone 3g, but could never get the HU to read from my phone. All the HU would do is charge my phone but was never able to read it.

I was just wondering if there was a firmware update for this unit yet or if there was something you guys could suggest that would help me fix these issues.

Thanks in advance for your help.
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