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Discussion Starter · #1 ·
Hi all
I need Help with my new GM Hard Drive (HDD) Navigation unit , I did bought a used 2012 GM DENSO HDD navigation Unit with some harness to fit it no my 09 GMC Sierra , & I did fit it on my 09 GMC Sierra also unlock it with tech 2 , my problem is

1- the start on the animation logo its Chevy not GMC , I need to change it to GMC .
2- how can I add a language to it , it has French only , I did checked the setting , It does not have the Eng. on it .
3- Reprogramming the radio tuner to accept the doubles Frequency like FM frequencies will increment in 0.1 (88.0, 88.1, 88.2, etc) & so on .
4- Finally who to swap the maps , I'll be in Europe soon .

also in the old Nav. units we can access to the hidden menu , how can we do it in the new one .

Help

BR
 

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Discussion Starter · #5 ·
hi all

Q. a friend in Europe he has the new Vr. 4111 in his yukon , but I have the Vr 1200 as U see in pic#1 , my Q. is how to upgrade it ?
I did put in a USB flash the 6.0C nav disk & its show me the info in pic#2
but as all see the OK button is hi-lighted , I cant use it to begin update
pls
heeeeeeelp guys
 

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