[Marsymars]

Wow, if I came across that without some prominent warnings, I'd probably assume some kind of key setup mistake and cut the string.

[squeaky-clean]

I use a zipcar occasionally and this is exactly what happens when I'm driving with a friend. Once they actually did manage to yank on and snap the string. They said something like "Wow, the previous driver tied the keys to the center console, what an asshole" pull, snap

[paggle]

It has a warning. Something like “leave these keys here! It seems weird but don’t worry about it.”