Is your cat not using litter box to pee? Most cat’s pick up using a litter box naturally. However, there are times when cat’s just refuse to use them. Always make sure that the litter box is clean, and full of the litter because if it isn’t the cat is less likely to be drawn to it. Ensure that if your cat is not using a litter box that the container is in open, easily accessible spot, and make sure that the box is the type that your cat prefers. There are cat litter types that hold attractive in it to lure your kitten into the container. On a side, If your cat is not using a litter box there is always training the cat to use a toilet which is possible. Complicated but possible.