Depends ...

My '84 and '85 gas caps use "VW GAS" keys ... not the ignition key.  I'd
say that most replacement caps are of this type.  I have my gas key
alongside the ignition key on a ring so that when I remove my gas cap I
insert the ignition key in the passenger door.  That way the gas cap
dangles right there where I'm working.

I've "Heard" that replacement caps that use the ignition key really
don't have locks at all and that anything flat inserted will open it.  I
have no first hand knowledge about this, though.

Mike

Janet Sanford wrote:
> Are all the gas caps the same and open with any Vanagon key? I left my gas cap at the gas station and it has disappeared.
>
> Janet
>