Just like title says I am having a hard time turning my key sometimes. The key itself looks fine, no worn spots. but it will turn up until it hits the point where it changes position( if that makes sense ). ex between off and on it will turn but sometimes it takes a few to get it to go into "on". same with lock to off sometimes too. should I just spray the key down with wd then let dry and maybe use teflon? any ideas would help a ton.