How do you remove the alternator on 2006 Cadillac DTS?

To remove the alternator from a 2006 Cadillac DTS, first disconnect the negative battery cable to prevent electrical short circuits. Next, remove the serpentine belt by releasing the tensioner, then disconnect the electrical connectors and the mounting bolts on the alternator. Once the bolts are removed, carefully lift the alternator out of its bracket. Finally, reverse the steps to install the new alternator, ensuring all connections are secure.