A trigger can relate to power usage of a computing device that a computer program to be run or running on the computing device causes. The method has a step of selecting one of the at least two levels of protection of the occupant protection means as the level of protection to be used in the event of an impact of the vehicle using a yaw direction of the vehicle. Even when there is distortion, a two-dimensional position map can be corrected accurately. The independent ball stop is separated from the sidewalls in order to reduce weight. In certain aspects, the wireless communication device may access a pre-directed phone number, e.