Abstract: A vehicle headlight aiming device is provided that includes, a device housing having an input drive gear, a screw chamber, an output screw having a screw shaft, a screw first end that is rotationally coupled at least indirectly with the input drive gear, and a screw second end. The device further including an indicator nut having a base with a nut indicator mark, a first leg and second leg extending from a base bottom portion, and an expandable threaded opening extending between a first threaded wall of the first leg and a second threaded wall of the second leg, the threaded walls selectively engageable with a threaded portion of the screw shaft, wherein the threaded opening is expandable to disengage the first threaded wall and the second threaded wall from the threaded portion to allow longitudinal movement of the indicator nut withing the device housing without rotating the output screw.