Order of execution
1. Bring the tire pressure up to the required pressure. Only the driver, tools and spare wheel should be in the vehicle.
2. Park the vehicle on a flat, level surface in front of a screen or wall.
3. On the screen, draw a vertical line through the center of each headlight and a horizontal line through the center of the headlights.
4. Turn on the headlights and turn the adjusting wheels to adjust their position so that the brightest spot is located in accordance with the shaded area in the figure.