...March 26, 2020 NEW YORK (S&P Global Ratings) March 26, 2020--AutoNation Inc. is modifying its commercial paper program with a maximum size of $1 billion of notes outstanding at any time. Following the modifications, the notes issued pursuant to the program will be the obligation of AutoNation only and will not be guaranteed by any subsidiaries of the company. Nevertheless, the short-term ratings on the notes will remain 'A-3'. Our rating on Fort Lauderdale, Fla.-based AutoNation is '###-' with a stable outlook. The ratings reflect our assessment of the company's consistent free cash flow generation and adequate liquidity. Moreover, we view the company's business model as resilient given its high degree of variable costs and multiple revenue sources....