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Discussion Starter · #1 ·
There has been a LOT of activity on this question so I thought it was best to show it individually. The issue with the XM volume changes is a XM function, each individual station controls their own volume. Each XM station has its own mode balance (gain) and there is no way for GM/Cadillac to balance all of them individually.

Thank You
Allen
www.Cadillac-XLR.com
 

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I'll through in one more item that may confuse us owners...Each individual preset for XM/FM/AM will store its own tone controls. In other words, if you set the bass, midrange and treble for XM1 Preset 1, those tone control settings do not get applied to all the other XM1 presets unless you store them for each preset. The storing done by holding down the preset softkey until a "beep" is heard.

It is an extremely flexible system but could be very confusing for people who are used to having only one tone setting for all of the radio functions. Also, by varying the tone presets, the volume can sound louder or softer than other presets (which is why I think this is relevent to this thread).
 

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A service bulletin on this item has been released by GM. I really wish I could read the body of this bulletin. It could be an enhancement or it could be a "this is the way the system works". Anyway, the bulletin is:


Make : CADILLAC -- Model : XLR -- Year : 2004

Service Bulletin Num : 02070 -- Date of Bulletin: JAN 01, 2004

NHTSA Item Number: 10007767

Component: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

Summary:
XM VOLUME LOWER THAN OTHER BANDS WHEN SWITCHING BETWEEN AM/FM AND XM. *TT
 
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