26 Keys, doors and windowsGeneral hints for operatingtailgate9 WarningDo not drive with the tailgate openor ajar, e.g. when transportingbulky objects, since toxic exhaustgases, which can not be seen orsmelled, could enter the vehicle.This can cause unconsciousnessand even death.CautionBefore opening the tailgate, checkoverhead obstructions, such asa garage door, to avoid damage tothe tailgate. Always check themoving area above and behind thetailgate.NoteThe installation of certain heavyaccessories onto the tailgate mayaffect its ability to remain open.Vehicle securityAnti-theft locking system9 WarningDo not use the system if there arepeople in the vehicle! The doorscannot be unlocked from theinside.The system deadlocks all the doors.All doors must be closed or thesystem cannot be activated.When the doors are secured with theanti-theft locking system, it is notpossible to unlock the doors with themanual door lock controls.Additional to that, it is not possible tounlock the vehicle with the centrallocking buttons.ActivationPress ) on the radio remote controltwice within five seconds with alldoors closed and the ignitionswitched off.It is also possible to activate the anti-theft locking system by pressing thelock/unlock button on the driver doorhandle twice within five seconds if anyof the following occur:■ Five seconds after the lock/unlockbutton on the driver door handlehas been pressed for the first time.■ Two lock/unlock button presseswere used to unlock all doors.■ Any vehicle door has opened andall doors are now closed.DeactivationPress ( on the radio remote controlonce to deactivate the anti-theftlocking system and unlock the driver´s door.Pressing ( again withinthree seconds will unlock all of thedoors.