Vision system GPS

I have a new to me 2011 Supra 242 Launch Worlds Edition that I bought in May. I finally got around to messing with the GPS part of the vision system last weekend and all I have is a yellow screen and some tracking function. My thought is the boat was originally sold in North Carolina and I live in Arkansas so I bet it is loaded with the wrong region maps. Has anyone else seen this? I actually have a SD card from garmin/navionics (South Central US lakes) that I purchased at Bass Pro I use in my Garmin handheld GPS. Any idea if this South Central Lakes SD card I have can be loaded into the vision System GPS or be used? I do not remember seeing a SD slot anywhere. Thank You!