Dangerous Neglect

I was going to give a 5 star rating until I was just checking a few basics on the car & saw the back wheel lock nut sitting & to my shock it just came out, as with the other three bolts, one turn & they where out, went around to all the wheels & the same thing, lock nuts loose, but now one is missing & bolts loose. I'm lucky in two months I haven't checked the wheels they didn't come off. I want supa quick to replace my missing lock nut or a new set, as they the last to work on my wheels.