Keep the product in vertical position.
1. Twist bottle to open the holder. Take the bottle out of the holder.
2. While keeping the bottle in an upright position, unscrew cap A to remove cap B, and then screw back cap A securely to the bottle.
3. Place the bottle back in the holder, and close the holder firmly.
4. Adjust the fragrance level as desired. 0-low, 1-mediem, 2-high.
5. Install the clip into holder either horizontally or vertically so that the whole unit remains upright when attached to the vent.
6. Attach the unit into one of the car vent blades, NOT BETWEEN THE BLADES. Check the unit is securely attached & in UPRIGHT position.