The screen flickered. A progress bar appeared: "Updating Software. Do not turn off ignition."
He looked at the disc again. "76031." He checked the part number cross-reference. This confirmed it: The disc was compatible. The "Disc 21" label indicated it was version , covering maps from around 2011/2012. nddn w56 76031 software map disc21
While it was a massive improvement over his 2009 maps, it was not a modern solution. The screen flickered