I did a little poking around and the email domain is @chrysler.com
It seems some employees have a first.last for the local and others have initials (2 or 3) or initials and numbers.
That said, most corporations will set up multiple addresses for various uses or as they experience mergers/acquisitions (for example I have 8 at my company). Hopefully firstname.lastname@example.org
will work. If they have a common name though, it's a long shot because they end up using numeric suffixes to sequence them.
Exec emails are fairly easy to find. The mid levels are the tough ones.