Get an informative overview of an S5 deadlock Manchester immobiliser, including how it protects against relay theft and OBD hacking by adding a covert layer of security to the vehicle. Meta trak S5 Deadlock PRO includes all of the advanced security of the standard Meta S5 Deadlock (24/7 monitored tracking and remote immobilisation) – but with the added OBD Port Immobilisation security.