dello22 Posted June 7, 2008 Report Share Posted June 7, 2008 Can anybody help me? I have a 05 suburban, Z2, GMOS-04 interface w/ bose. Everything works fine except my voice guidance is very low as well as my phone voice, and they are both turned all the way up on the z2 settings. My onstar and chimes are fine. What do I need to do? Quote Link to post Share on other sites
whtcrxghst Posted June 7, 2008 Report Share Posted June 7, 2008 Turn up the interface Quote Link to post Share on other sites
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