This pie chart visualizes 2022 US auto sales by brand, with each slice sized by year-to-date sales and a color-coded legend displaying brand names and sales figures in thousands. The chart uses D3 v5’s `pie`, `arc`, and `scaleOrdinal` functions to generate SVG paths, loading data from a CSV via `d3.csv`. A sequential color palette distinguishes eleven brands, while custom legend text formatting applies `d3.format` for readable values.