1. Slide clip onto back of unit until it snaps into place. 2. To activate pull silver tab and throw away cover. 3. Clip unit onto vehicle's vent blades. Not between blades. 4. Adjust fragrance level as desired by rotating plastic bezel. 5. Air flow through vent is required for fragrance release. 6. When liquid is gone, replace entire Vent Fresh unit. 7. Fragrance oil and liquid could damage or stain some surfaces. If spilled, clean immediately.
May cause skin and eye irritation. In case of contact flush thoroughly with water. Do not install near cigarette lighter or ashtray. Do not puncture, disassemble, or expose to flame. Use with adequate ventilation. This is not a toy. Keep away from eyes and skin. Keep out of reach of children and pets.