The Electronic Control Module section of the service manual provides this information:
1. Disconnect the negative battery cable.
2. Remove the trunk floor covering.
3. Remove the vehicle jacking assembly.
4. Remove the sound deadening foam material from the central locking pump/security system module.
5. Disconnect the air lines (1) and the electrical connectors (2) from the central locking pump/security system module
(3) and remove the module.
Good luck.