28 Keys, doors and windowsVehicle personalisation 3 121.The setting can be saved for theremote control or electronic key beingused 3 23.Passive lockingIn vehicles with electronic keysystem, this 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 in the interior.If the electronic key remains in thevehicle or the ignition is not off,passive locking will not be permittedand a warning tone sounds threetimes.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.Passive locking can be disabled bypressing c for a few seconds whileone door is open. It remains disableduntil e is pressed or the ignition isswitched on.Activation or deactivation of passivelocking can be set in the menuSettings, I Vehicle in the Colour-Info-Display.Colour-Info-Display 3 117.Vehicle personalisation 3 121.The setting can be saved for theremote control or electronic key beingused 3 23.Child locks9 WarningUse the child locks wheneverchildren are occupying the rearseats.Using a key or suitable screwdriver,turn the child lock in the rear door tothe horizontal position. The doorcannot be opened from the inside. Fordeactivation, turn the child lock to thevertical position.