1. Where did you get it from?
2. Do you still have the receipt?
In my old car, I bought one of those fresheners and stuck it on the vent. Overnight, it had leaked down onto the new stereo surround and the fascia adaptor, marking both. I was pretty miffed to say the least. Told my mate about this a few weeks later when he saw it and told me it had happened to him but he went straight back to halfrauds the next day and complained. He got a replacement stereo fadcia for free.