How do you repair power antenna on a 1991 Toyota Cressida?

To repair the power antenna on a 1991 Toyota Cressida, first, ensure the vehicle is off and disconnect the negative battery terminal. Remove the interior trim panel to access the antenna assembly, then carefully detach the antenna motor and wiring harness. Inspect the antenna for any visible damage or obstructions, clean or replace components as necessary, and reassemble everything in reverse order. Finally, reconnect the battery and test the antenna to ensure it operates correctly.