tooo many problems to name.

If you are the original owner, you should get notifications in the mail. If you are not the original owner, contact Ford Customer Service to inform them that you are the new owner. The ownership change may not have been registered. There is only one recall on this vehicle/model/year. Take your vehicle to the dealer and they can tell you if the recall applies to your vehicle.

check with your local dealer.

The 2003-2004 Navigators were the worst Lincoln has ever produced! there probably were a lot, but the 2005 is through 2008 is seem to be untouchable in quality surveys. You should never buy any car that has a lot of new features added onto it for the first 2 years, because car manufacturers still need to work on the bugs for the early models to make the later models more reliable.