On a Ford, you can add another one yourself, as a third key, if you have two working keys. Other wise chevy is right, a dealer, mechanic or locksmith that has the appropriate tools to cut and program the key.
How many working keys do you have. You need to start with 2. If you have none then a locksmith is in your future.
how can I replace a transponder key for 2003 mercury grand marquis
2003 Mercury Grand Marquis LS Premium
-
Maintenance & Repair
how can I replace a transponder key for my 2003 mercury grand marquis if I lost the only key
2003 Mercury Grand Marquis LS Premium
-
Maintenance & Repair
Only key I have for 2000 Grand Marquis has broken off in trunk lock. Nothing in owners manual that indicates how to get a replacement. Anyone have any suggestions?
2000 Mercury Grand Marquis LS
-
Maintenance & Repair
Everything I have seen say that you need 2 working keys to program a new key. Can one of them be the valet key?
2004 Mercury Grand Marquis GS
-
Maintenance & Repair
I can get my car into programming mode after turning the key back and forth 8 times and leaving it in the on position. The doors lock and unlock to verify entering program mode. But when I press a ...
2006 Mercury Grand Marquis GS
-
Maintenance & Repair
CarGurus has 2 nationwide Grand Marquis listings and the tools to find you a great deal.
Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.