To Configure Which GD&T Symbols Are Available for Insertion (AutoCAD Mechanical Toolset)

At the Command prompt, enter AMOPTIONS.
In the Options dialog box, click the AM:Standards tab.
In the standard elements list, double-click the Feature Control Frame symbol.
In the Show symbols for list, select a category.
In the list of Geometric Dimensioning and Tolerancing symbols, select the check boxes adjacent to the symbols to make available and clear the others.
Repeat steps 4 and 5 for all required categories.
Click OK until all dialog boxes close.