How do you replace the starter on a Cadillac CTS 2005?

To replace the starter on a 2005 Cadillac CTS, first disconnect the negative battery cable to ensure safety. Then, remove any components obstructing access to the starter, such as the engine cover or air intake. Unbolt the starter from its mounting location and disconnect the electrical connections. Install the new starter by reversing the removal process, ensuring all connections are secure before reconnecting the battery.