gps

Class, when crossing a state line last weekend, Mr. Rogers was welcomed via voice indication then the GPS screen split in half. The new portion showed upcoming exits, their distance and amenities. How does one return the screed back to full map view? Pencils UP!!!! .

I have read through the threads in the FAQ section, but still have a question. Is there a way to use the factory nav system for offroad GPS? A disc we can buy, or an update we can obtain? Anyone? Seems it would be easier than adding more screens to the cab of the truck.