GM really has stuck their head up their anus on the 04 huh...
I can tell you from using the NAV on the 03 Escalade (which is the same model) that you absolutely could program it while driving (and well above 8 MPH).
Granted this almost got me into several rear-end collisions, so I guess the safety feature is there for a reason...
But really, did GM take into consideration a passenger programming while on a drive? NO
Or did GM take into consideration programming the NAV while on cruise control on the highway...NO
GM on the 2004 Hummer...Rectal-Cranial Inversion..
Fix the NAV! and the Antenna, and the cup holders...should I go on...
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