In an automatic leveling apparatus, a motor inclines an optical axis of a headlamp in an up and down direction relative to a vehicle body, a vehicle height sensor detects a change in a height direction of an axle portion of a front wheel or a rear wheel of a vehicle, and an involatile memory records a control constant inherent to the vehicle. For example, the systems and methods can be used to determine that a particular user is attending, is planning to attend, has already attended, or is about to attend a particular event, such as a movie, concert, tour, etc. The focus then returns to the originating web page. The bore can be filled with a conductive material to form a first electrode.