2017 Lincoln MKC
Key Replacement - Save vs Dealer in San Diego

2017 Lincoln MKC Smart Key Replacement - Fast, Affordable & Professional

I was finishing a job on the other side of Rancho Bernardo when the call came in from Seven Oaks. A woman had walked out to her 2017 MKC in the parking structure attached to her office building and gotten nothing. No response from the door handles, no interior lights, no acknowledgment at all. She tried the backup entry method with the mechanical key hidden in the fob and got in, but the vehicle wouldn't start.

She'd already been on hold with the dealer for about twelve minutes when she gave up and called me instead.

I asked her to text me the VIN before I drove over. She had it off her registration in about ninety seconds. That VIN told me the key configuration I needed, and I had the right blank already in the van.

When I arrived she was waiting near the car, fob in hand. She'd actually pulled the battery out and put it back in, which is the thing everyone tries. The CR2450 tested low. Not dead, but low enough to cause intermittent dropouts with the passive entry antennas. She was in a concrete structure, which doesn't help signal either.

A fresh CR2450 brought back the door handle touch response right away. But because she'd been locked out and was unsure whether the fob had ever been fully reliable, she wanted a programmed spare added while I was there. That was the smart call.

Adding a key while a working fob is present is a faster process than starting from scratch. No full security reset, no waiting through a timed security cycle. I paired the new fob through the diagnostic port, verified all five buttons, walked the door handles, and confirmed the vehicle recognized both fobs cleanly.

She asked if this meant the original fob was going to keep failing. I told her the original tested fine once it had a proper battery. The concrete structure probably made the weak cell look worse than it was. She seemed relieved it wasn't something deeper.

The whole call, from the time I parked to the time I handed her a tested spare, ran about thirty minutes. She mentioned the dealer had quoted her a wait of several days just for the appointment. That was kind of an afterthought by then.

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