Simons Voss Technologies SmartIntego PadLock AX Manual page 10

4. Battery replacement
SmartIntego PadLock AX (Manual)
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3. Align the special tool so that the logo is parallel to the recess.
4. Hold the special tool and knob cover firmly at the same time and turn
them together 1-2° clockwise first and then counter-clockwise.
5. Remove the tool and cover.