2007-2014 GMC, Chevy Units with Navigation
GM® Premium Factory GPS Navigation Radio Wiring Diagram
When screen experiences imaging issues other than back up camera in Chevy vehicles
In Chevy vehicles, your HMI (Human Machine Interface) controls your visual feedback. Meaning if you experience an issue where the screen is having imaging issues only during certain functions, it may be the HMI, however, if the back up camera has a ...
Speed Limits no longer available in EVIC cluster, after IO6 upgrade
When upgrading your HMI to factory navigation, you will lose the feature of having Speed Limits in your EVIC cluster, as that is only retained with vehicles that had native navigation already.
Display not showing but rear camera does in a GM vehicle
This is caused by a faulty ACM, and the ACM will need to be replaced. It doesn't matter if the HMI is a 2.0 or 2.5, it would still work. This is illustrated when the vehicle is put in reverse and shows a picture, meaning HMI & screen are ok. The ACM ...
OnStar not working after installing IOR module
1. Make sure that the OnStar module is plugged in, in the port in between the black USB and XM port. 2. Try Steering wheel controls and see if voice commands still work. 3. Make sure bluetooth still works. (If so, it's proof that OnStar is working.)
How to Remove or Change Navigation Disc
1. Press the Menu Button 2. Press the Nav Soft Button 3. Press the Nav Database Information Button 4. Press the Change Button
Denzo Additional Step For Voice Commands
Denzo Additional Step For Voice Commands Radio is not able to hear my voice commands Some navigation Units Can Require an extra step to get the voice commands working properly. VSS HARNESS The above picture is what your brown VSS harness with the ...
Volume Is Too Low/Won’t Adjust
First, please check your unit's balance/fade settings (left & right, front & rear) If you have a Bose amplifier in the vehicle, make sure you have a GM tech program the unit to properly match the amplifier. If you're still having issues, please ...
Unit Displays a Blank Screen with Only the Clock
The navigation unit will need a hard reset. Remove the positive and negative battery cables from your battery, touch them together, and then reconnect them to the battery. This will resolve several potential issues with the navigation system. If ...
“Proceed to the highlighted route” and “You’ve reached your destination”.
If the navigation system only gives you two voice commands saying “Proceed to the highlighted route” and “You’ve reached your destination”. Please follow the documentation below. For installations that received only the brown plug with a green wire: ...
The navigation display doesn’t accurately follow me down the highway/Issue with hearing turn-by-turn directions
The navigation display doesn’t accurately follow me down the highway/Issue with hearing turn-by-turn directions If you're having any of the issues below, you may need to install the VSS kit (brown connector) which should have been included in your ...