26 Keys, doors and windowsshort time after unlocking with theremote control or electronic key,provided no door has been opened.Activation or deactivation ofautomatic relock can be set in themenu Settings, I Vehicle in the Info-Display.Info-Display 3 119.Vehicle personalisation 3 125.The setting can be saved for eachelectronic key being used 3 21.Passive lockingThis feature locks the vehicleautomatically after several seconds ifan electronic key has beenrecognised previously inside thevehicle, all doors have then beenclosed and the electronic key doesnot remain within the vehicle.If the electronic key remains in thevehicle or the ignition is not off,passive locking will not be permitted.If there have been two or moreelectronic keys in the vehicle and theignition was on once, the featurelocks the vehicle if just one electronickey is taken out of the vehicle.To prevent passive locking of thevehicle e.g. when refuelling or ifpassengers remain in the vehicle, thesystem must be disabled.To disable the system, press thecentral locking button c for a fewseconds while one door is open. Anacoustic signal sounds three times toconfirm deactivation. The functionremains disabled until the centrallocking button e is pressed or theignition is switched on.Activation or deactivation of passivelocking can be set in the menuSettings, I Vehicle in the Info-Display.Info-Display 3 119.Vehicle personalisation 3 125.The setting can be saved for eachelectronic key being used 3 21.Child locks9 WarningUse the child locks wheneverchildren are occupying the rearseats.Move the pin in the rear door to thefront position. The door cannot beopened from the inside.To deactivate, move the pin to therear position.