Give your car an extra touch of elegance and class with our premium car perfumes. It is super luxurious and will give you a long lasting aroma. Choose from 10 different fragrances. HOW IT WORKS. 1. Unscrew the top and remove the plastic cap inside. 2. Screw back on the lid and vigorously shake the bottle to allow the oils to soak into the wood ensuring to avoid any drips. 3.Hang the product around the rearview mirror. Note : The strength of the product will vary depending on how often you agitate the bottle. We recommend shaking the bottle every couple of days for best results!