What is the proper way to insert the refill?
Keeping the unit directed away from your face at all times, switch the unit to “off” before attempting to insert the refill. To open the gadget, depress the button on the top and pull the front cover forward. Insert the refill can. The nozzle should be facing toward the front of the gadget. When the gadget is closed you should see the black nozzle orifice through the hole where the spray comes through the gadget. Select your desired level of fragrancing by setting the timer switch to 9, 18 or 36 minutes and close unit. The 1st spray will come after a 15 second delay.