Answer by  
                                                                                          Amber40 (24961)
                                                            
                          
                          
                                                          On most car all you typically need is a set of metric wrenches or sockets. Typically all you need to do is remove a cover/ hold-down and then disconnect the terminals. However if you have a newer car you may have an issue. In this case you need to get a memory keeper to supplement power while changing batteries.