Keys, doors and windows 21Radio remote controlsynchronisationAfter replacing the battery, unlock thedoor with the key in the driver's doorlock. The radio remote control will besynchronised when you switch on theignition.Memorised settingsWhen locking the vehicle the lastsettings for the following items areautomatically saved specifically forthe key being used:■ Electronic climate control,■ Info-Display,■ Infotainment system,■ Instrument panel illumination.The saved settings are automaticallyused when that key is used forunlocking.Central locking systemUnlocks and locks doors, loadcompartment and fuel filler flap.A pull on an interior door handleunlocks the entire vehicle and opensthe door.NoticeIn the event of an accident ofa certain severity, the vehicleunlocks automatically.UnlockingCentral locking system with keyactivationTurn the key in the driver's door lockto the front.Central locking system with radioremote controlPress button q.Two settings are possible: To unlockthe entire vehicle, press button qonce. Selective unlocking: To unlockonly the driver's door, press buttonq once, and to unlock the entirevehicle, press button q twice.Vehicle personalization 3 90.LockingClose doors, load compartment andfuel filler flap. If the driver's door is notclosed properly, the central lockingsystem will not work.