WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
Slide the lower shift knob bezel downward.
Fig 1: Sliding Lower Shift Knob Bezel Downward
Courtesy of FORD MOTOR CO.
Remove the 2 bolts and lift up on the shift knob to remove.