is there any difference between 2011 GM Navdisc ver. 209402248 and the newest version for 2012? (BTW, this is for a Chev. suburban)
hello frankmtx, There may be a new navigation map available for your vehicle that will provide the latest road information and points of interest. You can visit gmnavdisc.com to check and make sure that your Chevrolet's navigation system continues to perform the way it was engineered. Regards, Vanessa, GM Customer Service
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