Get your taxes done using TurboTax
The instructions refer to a prior year program (the date of the post is a bit misleading due to a data migration.) In the current version of TurboTax to indicate that you have converted the property to personal use edit the asset in the asset section of the program, rather than entering it as a disposition.
On one of the asset screens you should have the option to indicate it was converted for personal use. The screen will look similar to this:
