How do you adjust headlight on a 1999 Mazda miata?

To adjust the headlights on a 1999 Mazda Miata, begin by parking the car on a level surface about 25 feet from a wall. Turn on the headlights and use a tape measure to mark the center of each headlight on the wall. Adjust the vertical aim by locating the adjustment screws, typically found at the back of the headlight assembly, and turn them until the top of the beam is aligned with the tape mark. For horizontal adjustment, ensure the beams are centered with the vehicle's centerline.