A system for securing a restraint system includes a retractor enclosing a spool, a sensor coupled to the spool, and a motor coupled to the spool and configured to rotate the spool about a spool rotation axis. The system also includes webbing configured to be wound and unwound from around the spool. An automatic locking retractor mode is enabled and disabled to selectively and automatically lock the retractor to prevent rotation of the spool when a predetermined length of the webbing is unwound from the spool.