How can you update software on GPS Initial GM-701?

Answer:
Sure....Just go to the GM website and follow the instructions. You will need you VIN number from your vehicle....here is the link....
https://www.gmnavdisc.com/overview.do;jsessionid=8794909DEF4791F6AC03E345793C4922
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First answer by ID1167671048. Last edit by Michellemwright. Contributor trust: 1 [recommend contributor recommended]. Question popularity: 3 [recommend question].