Lost keys

Tiny
TRAVIS LEE STONER
  • MEMBER
  • 2001 MERCURY GRAND MARQUIS
  • 140 MILES
Lost keys so I put new ignition in and security light is flashing
Saturday, November 23rd, 2024 AT 9:06 AM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 13,494 POSTS
If you still have the old ignition cylinder, call a locksmith and have them cut you 2 new keys to fit that cylinder and then they can use a programming tool to erase the old keys from the PATS and program in the new keys. Then your new keys will also fit the other locks on the car. With no good keys you need a programming tool or a scan tool to be able to program in replacements using the "lost all keys" function in the tool. There is no other way to program in keys. There is also a minimum of 2 keys required and with 2 good keys you can add more.
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Saturday, November 23rd, 2024 AT 6:29 PM

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