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2008 H2 Navigation & Clock default

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  #11  
Old 02-19-2019, 08:18 PM
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Originally Posted by VehiGAZ
I lost the time in the nav system when I disconnected the battery overnight (to clear out fuel trim values after replacing the MAF). When I go to the time set screen, the buttons to set the time are there, but there are no numbers in the time display. Pressing the buttons results in a beep, but there is no time values displayed to change.

I will keep poking around and post any progress here...
what year is your truck?
 
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  #12  
Old 02-19-2019, 08:20 PM
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If its and 08 or 09 you need to set the global time to get the clock to re-appear and allow you to set it again.

Neal
 
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  #13  
Old 02-20-2019, 07:33 AM
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2008

Does you mean that I have to use the procedure in Post #8 above?
 
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  #14  
Old 02-20-2019, 05:16 PM
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I had to do it like three times before it gave me the deep settings menu, but it worked legerwn! Thank you kindly!
 
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  #15  
Old 02-20-2019, 05:20 PM
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Glad it worked for you,

Neal
 
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  #16  
Old 02-20-2019, 05:23 PM
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The latest map disc V 2016 / 9.0 C has a radio software update on it, when you put the disc in the radio it will update the radio software.

I'm working to try and find out what the updates are specifically for the radio,

Neal
 
Last edited by legerwn; 02-21-2019 at 09:16 AM.
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  #17  
Old 02-21-2019, 05:20 AM
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Hey all. I'm having the same problem and have been trying to access the hidden menu and I cannot get it to show up. 2009 hummer h2... Any tips for me?
 
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  #18  
Old 02-21-2019, 09:15 AM
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are you holding your finger in the very left hand lower corner of the screen? Keep it there for a little while, usually around 15 to 20 seconds. Try a few different positions but still in the lower left hand corner.

Try cleaning the screen prior to doing it,

Neal
 
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  #19  
Old 02-21-2019, 09:21 PM
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Neal,
Thanks for the suggestion.

I tried probably a dozen times last night holding my finger for up to a minute. This morning I tried again during my morning commute and after about 10 to 15 seconds the menu came up. I was able to reset my clock! SUCCESS!
THANKS
 
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  #20  
Old 02-22-2019, 07:57 AM
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Glad you got it,

Neal
 
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