Abstract: A device and method used by a driver to verify that he/she is positioning a vehicle safely within the designated lane of travel area of a roadway. The device includes an LED sighting unit having an aiming LED and an attachment mechanism for attaching the LED sighting unit to the windshield of a vehicle. In the method, the driver positions the vehicle safely within the lane of travel area of a roadway and then adjusts the position of the LED sighting unit until the aiming LED thereof is within the line of sight of the driver's eyes, while the driver is seated in the normal driving position, and the boundary line between the lanes or along the side of a roadway.