automatic shift knob removal?

does anyone know how to remove the shift knob from an automatic 1999 a4 tiptronic? any help would be appreciated, thanks.

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.