How do you change a starter on a 2001 Cadillac dts?

To change the starter on a 2001 Cadillac DTS, first disconnect the negative battery cable to ensure safety. Then, remove any components obstructing access to the starter, such as the air intake duct or engine cover. Unbolt the starter from its mounting, disconnect the wiring harness, and then replace it with the new starter by reversing the removal process. Finally, reconnect the battery and test the new starter to ensure it operates correctly.