Gm navigation disc 2011 part #20945286 update#

The screen will display the following message 'The disc installed is not a MAP DVD' THIS IS NOT AN ERROR MESSAGE.Д¬ustomers may comment on any of the following conditions:

100G) for the BlackTie navigation systems (Lucerne, Enclave, Equinox, Acadia, Torrent, Outlook, and VUE), the improvements/corrections offered via update disc 20774148 are already installed and this update is not required.

100N) for the SuperNav navigation system (Escalades) or 100F or higher (e.g. Note: If the vehicle has a 2008 MY radio and the software version is 100M or higher (e.g. If the vehicle is a 2009 Model Year, refer to Service Bulletin #09-08-44-002. Note: The software contained on this Service Update Disc (P/N 20774148) for 2009 MY has been revised. Please discard Corporate Bulletin Number 08-08-44-013B (Section 08 - Body and Accessories). This bulletin is being revised to update models, model years and software calibration information. Subject: Navigation Radio Intermittent Blank/Black Screen, Map Disc Read Errors, Features Not Accessible While Driving, Navigation Radio Resets Upon Startup (Update Navigation Radio Software)ДЄll Equipped with Navigation Radio (RPOs U3R, UZR, U3U, UVB)ДЄttention: This bulletin applies to vehicles sold in the U.S.

#08-08-44-013C: Navigation Radio Intermittent Blank/Black Screen, Map Disc Read Errors, Features Not Accessible While Driving, Navigation Radio Resets Upon Startup (Update Navigation Radio Software) - (Mar 9, 2009)

Just to be clear, my problems and the fix were documented in GM Technical Service Bulletin 08-08-44-013C as seen below:

Gm navigation disc 2011 part #20945286 update#