How do you replace trunk motor on 1996 Cadillac deville?

To replace the trunk motor on a 1996 Cadillac DeVille, first, disconnect the car battery to ensure safety. Remove the trunk liner by taking out any screws or clips to access the motor. Detach the old motor by disconnecting the wiring harness and unbolting it from its mount, then install the new motor in reverse order, reconnect the wiring, and reattach the trunk liner. Finally, reconnect the battery and test the new motor to ensure it operates correctly.