How do you install power antenna mast Lexus sc 430?

To install a power antenna mast on a Lexus SC 430, first, ensure the vehicle is turned off and the antenna is retracted. Remove the old mast by unscrewing it from the antenna housing, then disconnect any wiring if applicable. Next, insert the new mast into the antenna assembly, ensuring it clicks into place, and reattach any wiring. Finally, test the antenna to ensure it extends and retracts properly.