RedSRX2011 Posted June 25, 2012 Report Share Posted June 25, 2012 Can anyone tell me the difference between the 2012 Global A High Nav Disc (p/n 22827639) and the 2011 SRX disc (20977834)? The gmnavdisc website lists both as available for my wife's car. There is no description of the differences between the two though. Thanks, Rob Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted June 25, 2012 Report Share Posted June 25, 2012 Hi Rob, Welcome to CaddyInfo! Usually I just try to get the latest one. Nav data gets periodic updates for road changes, new development, etc. Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
Texas Jim Posted June 25, 2012 Report Share Posted June 25, 2012 I copied and pasted the descriptions from the GMNAVDISK page.. It appears to me that the 20977834 is the 2011 version... 2011 SRX/Lacrosse/Terrain/Equinox/Regal/Volt/Cruze 20977834 The 22827639 is the 2012 version.. 2012 Global A High Nav Disc 22827639 The 2012 version will probably have updated Points of Interest and a maybe a more up to date road routing. Link to comment Share on other sites More sharing options...
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