Hello, Just wondering if anybody has any experience with this product. I put one on today and after install, it was stuck on with the only way to turn it off by taking the batteries out. Has anyone had similar issues or, did I just get a lemon? Not sure if it is worth taking back to get a replacement or, if I should just get a refund... ( I only paid $70 which I thought was a ok deal but not if it doesn't work or, hold up) Insight????