2007 Lincoln MKZ
Key Replacement - Save vs Dealer in San Diego

2007 Lincoln MKZ Remote Head Key Replacement - Fast, Affordable & Professional

Out near Libby Lake, I got a call from a guy who had just bought a used 2007 Lincoln MKZ. Private sale, one key handed over at the curb, no spares. He had been driving it for about three months on that single key before it disappeared somewhere between his front door and his car. No idea where it went. He had already checked the couch, the kitchen counter, and every jacket pocket he owned. Nothing.

He called the Lincoln dealer first. They told him he would need a tow since the car was locked, and he would have to schedule a few days out. He was not thrilled.

I met him in the lot off the street in Libby Lake that same afternoon. The car was locked, no key anywhere, so I picked and decoded the door lock mechanically and used that to cut two fresh keys to the vehicle. From there it was an OBD connection and the all-keys-lost procedure. This generation has a built-in security timer that has to run its full cycle before the system accepts new key data. You cannot skip it or rush it. I have done enough of these that I just settle in and let it run. Once it cleared, I wiped the old key data and enrolled both new remote head keys. Tested the ignition, tested the door lock and unlock buttons on both fobs, confirmed the immobilizer was happy. Both keys started the car.

He had been mentally preparing for a tow bill plus a multi-day dealer wait. Doing it on site, same afternoon, for a fraction of what he was quoted, caught him off guard. He kept both keys this time.

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