Question 1

What's the best way to handle all-keys-lost on a 2017 Taurus?

Accepted Answer

Call a mobile locksmith before you call the dealer. All-keys-lost on the 2017 Taurus means every previously enrolled fob has to be wiped from the vehicle's security system and new ones registered from scratch. A dealer will typically quote you OEM fobs at retail plus a programming labor charge, and depending on their schedule, you might wait a day or two. We come to your location in Downtown Oxnard with the diagnostic equipment to handle the full reset on-site: erase the old key memory, program and verify the new fob, cut the emergency blade, and confirm the push-button start is responding correctly. The whole job usually runs 30 to 45 minutes. You get a price on the phone and that's what you pay.

Question 2

Can you delete a lost or stolen fob so it won't start my Taurus anymore?

Accepted Answer

Yes, and it's worth doing quickly if the fob was stolen rather than just misplaced.

The process wipes all previously stored fobs from the vehicle's security system and re-enrolls only the keys you authorize. After that, the missing fob cannot start the car. What it can still do is physically unlock the door if whoever has it uses the mechanical blade inside, so if theft is a concern, a police report for your records is a smart move alongside the reprogram.

One thing dealers sometimes tell owners: you can't delete just one fob. You have to erase all of them and re-register from a clean slate. That's accurate. So come ready with any working fobs you want to keep, because they'll need to be re-enrolled as part of the same session.

Question 3

Does the 2017 Taurus smart fob have a hidden emergency key blade inside it?

Accepted Answer

It does. There's a small release mechanism on the back of the fob. Press it and the blade slides out. That blade fits the driver door lock cylinder and lets you get into the car manually when the battery is completely dead.

Worth knowing where the cylinder actually is before you need it at midnight. On the Taurus, the driver door handle has a small cover on the end. Pop that off and the lock cylinder is behind it. A lot of owners have never touched it. The first time they try it under stress, in the dark, they can't find it. Take thirty seconds to locate it now.

Question 4

I bought a replacement fob online for my 2017 Taurus. Can I program it myself or do I need a locksmith?

Accepted Answer

You need someone with the right diagnostic equipment. There's no DIY button sequence or ignition-cycle trick for the smart key system on this vehicle. Programming requires a professional tool that communicates through the OBD port to enroll the new fob into the vehicle's security system.

The fob you bought online can absolutely be used, assuming it's the correct one for this vehicle. Bring it to us and we handle the programming. You're paying for the labor and the process, not the part. Just confirm before you buy that the factory FCC ID on the fob matches what your car takes, because close-but-wrong is a real problem on Fords, as I've seen firsthand.

Question 5

My 2017 Taurus push-button start is intermittent. Sometimes it works, sometimes the dash just says the key isn't detected. What's actually going on?

Accepted Answer

Nine times out of ten on this vehicle, it's the CR2032 in the fob. The 2017 Taurus smart key system is sensitive to battery voltage in a way that shows up as intermittent behavior before it shows up as total failure. The car's antenna is looking for a signal from the fob, and a marginal battery produces an inconsistent signal. Some start attempts it catches it, some it doesn't.

Swap the battery first. If that doesn't fix it, the next thing to check is whether the fob was ever programmed with the correct chip, especially if this is a replacement fob made by someone else. A chip mismatch can mimic a dying battery almost perfectly in early failure stages. If both those things check out and the problem persists, then you're looking at antenna or vehicle-side diagnostics, which is a different job. But start with the battery. It's almost always the battery.

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