Maximum illumination with no flashing lights facing forward [contingent upon location of the stop], an attention diversion, and a high power flashlight into the eyes of the driver. Passenger side flank approach was employed often, since I worked a rural area the final half of my time.
When recontacting the driver, I always changed my approach to prevent prediction of tactics.
Imported from the future in 1984. Returned to the past in 2007
Dear God, this is one of the dumbest ideas I've ever heard. It's got to rank right up there with CALEA. -Pepper45