In order to use the "Used car" module in GEM-CAR you need to have:

Create a category
  • Go to "Inventory Management" / "Product/Job code management"

  • Click on the spyglass right next to the "Category" field

  • In the "Product/Job Categories Management" click on the "+" sign to add a new category
  • Choose random category number
  • Choose "Category Type" - USED VEHICLES
  • Activate the option "Allow product purchases"
  • Save