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How to replace the battery pack of VW models
1.Use a battery cover opener to loosen the knob that secures the battery pack cover (Counterclockwise rotation, the groove of the knob should be vertical).
2. Remove the battery pack cover.

Please be noticed to use the battery cover opener instead of the general screw driver. Using screw driver can
cause damage on the screw.
3. Take the battery pack out of the detector.

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