GPS 如何關掉

請問各位大大
                      小弟在使用GPS時,已定位完成.
                      但已到達目的把他退出,我的螢幕右上方的GPS還是還是存在.
                      請問各位大大如何將他關掉.
                                                    

                                                                                                   謝謝
                                                                                                           指導