The term 'LOT FILLERS' refers to people who work in car dealerships, responsible for stocking the lot with CARS. The two crossword solutions for this term are CARS (4 letters) and AUTOS (5 letters). CARS is an abbreviation of the word 'AUTOMOBILES' while AUTOS is a shortened version of the same word. Lot fillers are responsible for ensuring that the dealership's lot is filled with CARS, and they may also be responsible for cleaning and maintaining the vehicles.