To release snap temporarily
•To release in horizontal direction, press and hold SHIFT.
•To release in vertical direction, press and hold CTRL.
•To release in both directions, press and hold both SHIFT and CTRL.
To release snap permanently
•On the Layout menu, click Snap to All Guides, or click Snap to Column Guides, or click Snap to Module Guides.
To set the snapping distance:
•On the Edit menu, click Preferences, and then on the Grid tab, under Snapping tolerance, enter the distance in pixels on which snapping to guides becomes effective. Note: the value in pixels means that the snapping distance is sensitive on zoom level, i.e. it will be smaller on close zooms and larger on distant zooms. Enter 0 to snap to guides on any distance.