Extending SharePoint 2010 Search Refinements

Working XML for an additional search refinement is below.

MAKE SURE YOU SWITCH THE “USE DEFAULT CONFIGURATION” CHECKBOX to FALSE…..

<Category    Title="Model" Description="Vehicle Make" Type="Microsoft.Office.Server.Search.WebControls.ManagedPropertyFilterGenerator" MetadataThreshold="1"    NumberOfFiltersToDisplay="3"    MaxNumberOfFilters="20"    ShowMoreLink="True"    MappedProperty="Model"    MoreLinkText="show more"    LessLinkText="show fewer" />