How do you change the power antenna on a 1990 olds custom cruiser?

To change the power antenna on a 1990 Oldsmobile Custom Cruiser, first, disconnect the negative battery cable to ensure safety. Remove the interior trim panel and any screws or bolts securing the antenna assembly, then carefully pull the old antenna out from the body. Install the new antenna by reversing the removal process, ensuring all connections are secure, and then reattach the trim panel. Finally, reconnect the battery and test the antenna to confirm it operates correctly.