inputs.text: gps bad - overall unit works well radio disc player gps lock freeze short time seehems inherent problehem contacted manufacturer sent new unit back sent used unit everything worked gps return unit received another used unit gps not even work day one one offered less half money refund store purchased unit sent another new unit gps worked two days locked unit works well put 2011 ram right adapters not difficult install installing automobile years good instructions display difficult see bright sunlight could inherent displays type lot nice features price complaint gps software see put different software end buying new unit reliable gps one main reasons buying thank