[Sunny Thaper]

Originally posted by Jeremy_Mc
Click on the object. Tehn look in the modifiers tab click on the modifiers combo box, then go down to "UVW Mapping" then click on it in the list of active modifiers to activate the gizmo. it should work...

*jeremy

Well said. Just for more clarification, the area where you will find this the giant drop-down from the second tab on the right, next to the finger or mouse glowing thing.