So it looks like the 01's and the 03's (at least the Windsor's) have the maintainer, and of course Dennis's 00 dynasty. We haven't heard back from the OP to see if his 04 windsor has it. My 06 does not have it, so for whatever reason, monaco stopped installing them at some point.
Bill & Brigitte
06 Windsor PEQ, Cummins 400 ISL
2014 Honda CRV