2013 Lincoln MKZ Key Replacement

2013 MKZ key specs

From 2013, the MKZ uses push-button start and passive entry. Catalogs list the 2013-2016 fob under FCC ID M3N-A2C31243300, a 902 MHz key with an NXP Hitag Pro transponder, and the emergency blade inside is the HU101 profile rather than the older Ford 8-cut. That blade uses a different key blank and cutting setup, so a key from an older Lincoln won't serve as a door key here. Because catalogs show more than one fob style for these years, we match the part number before ordering.

What's specific to the 2013 MKZ

2013 was the first model year of the MKZ Second generation (CD4). Early-production cars sometimes use different part numbers than later ones, so for a 2013 Lincoln MKZ we confirm the exact key from the VIN or the old key's FCC ID before cutting anything. It also marks a change from the previous generation: the 2012 MKZ used a remote head key and a transponder (chip) key, while the 2013 uses a smart proximity key with push-button start. Keys from the older car will not work in this one.

At roughly 13 years old, a 2013 Lincoln MKZ has usually seen real wear. Fob cases crack, buttons wear through and solder joints loosen at this age, so a new shell or a replacement remote often beats repairing the old one. Many have changed hands more than once, so erasing keys you can't account for is worth doing during the visit.

Key options for the 2013 Lincoln MKZ

• Smart proximity key (push-to-start). A smart or proximity key lets a 2013 Lincoln MKZ open when you touch the door handle and start with a push of a button while the fob stays in your pocket or bag. Antennas in the doors and cabin send out a low-frequency wake-up signal; the fob answers on a higher radio frequency with an encrypted reply, and the car only allows a start once it confirms the fob is inside. When the fob battery is weak, that conversation fails, which is why most designs include a backup: hold the fob against the start button or set it in a designated pocket. The owner's manual shows where, and it's worth checking before you need it.

How the Lincoln immobilizer works on the MKZ

Every Lincoln from the 2000 model year on uses Ford's Passive Anti-Theft System, PATS, which Ford also markets as SecuriLock. A transponder in the key head, or inside the fob on push-button cars, answers a challenge from the car, and the engine won't run unless that code matches a key stored in memory. The hardware changed in clear steps. The Town Car, Continental and Navigator through 2002, plus the 2002 Blackwood, use a Texas 4C fixed-code chip in a Ford 8-cut key. The 2000-2002 LS used a Texas 4D60 chip, and from 2003 the line moved to Texas 4D63 keys. Remote-head keys, with the lock buttons molded into the key, show up from the 2006 Zephyr on. Intelligent Access with push-button start arrived on the 2009 MKS, using 315 MHz fobs with a Philips ID46 chip and a hidden emergency blade. The 2013 MKZ introduced 902 MHz fobs with NXP Hitag Pro encryption and an HU101 emergency blade, while the MKX, MKS, MKT and Navigator kept the older 315 MHz style for several more years. The 2020 Aviator and Corsair added Phone As A Key, which lets a paired smartphone act as the key.

• Catalogs list the HU101 emergency key, Ford part 164-R7992, for 2013-2016 MKZs.
• Among the Lincolns covered here, the 2013 MKZ is the earliest model catalogued with the HU101 emergency blade.

Programming a 2013 MKZ key

Fobs are registered through the OBD-II port with a programmer, after Ford's security access step, and the HU101 emergency blade is cut to the car's code. With a working fob, a spare is routine. For all-keys-lost, 2015-2016 cars often need an emulator or bypass cable before new fobs can be programmed, and we confirm coverage by VIN before promising a same-visit result.

Spare fobs are routine; all-keys-lost on 2015-2016 cars can need an emulator cable, which we confirm by VIN first.

Lost every key to your MKZ?

1. Gather your documents and the VIN. Call with the year, make, model and VIN if you can read it through the windshield, plus where the car is parked. Those details let us confirm whether your Lincoln MKZ can be done on-site and bring the right key, so the first trip is the only trip.
2. Get into the vehicle without damage. Entry comes before key-making because we need access to the ignition, the OBD-II port and sometimes the documents in the glove box. We take care with weather stripping, door frames and paint, and we confirm the dash VIN matches your registration before going any further.
3. Originate a new key from the car. With no key to copy, the cuts come from the vehicle itself. We retrieve the key code through manufacturer channels where possible, or decode a door lock with a pick-decoder tool. Then we cut the blade on our code machine and confirm it turns the lock smoothly.
4. Program the key to the immobilizer. Next, the new key is introduced to the car's security system. Many vehicles allow this through the OBD-II port with a PIN or security procedure. Some all-keys-lost cases require reading a module on the bench, and a few platforms only allow dealer programming, which we'll tell you up front.
5. Erase missing keys and add a spare. A lost key's metal blade can still open your doors even after its chip is erased. If the keys disappeared along with something showing where you live or park, consider rekeying the car's door lock cylinders too. We'll also recommend leaving with two working keys, not one.

Why a spare key pays for itself

• When you sell or trade in the vehicle, buyers and dealers expect two keys. A missing key can come up during an appraisal or a private-sale negotiation, so having both on hand keeps the conversation about the car, not about what it will cost the next owner to replace one.
• Electronics fail without warning. A fob dropped on concrete, run through the washing machine or soaked at the pool can quit for good. With a second programmed key, that's an annoyance you fix on your own schedule, not a stranded car that needs attention today.
• Some vehicles make it hard to add a key once you're down to one. Certain immobilizer systems let an owner program an extra key on-board only when two working keys are present, so a second key preserves the easy options for later and avoids a full reset.

Dealer or mobile locksmith?

Dealers have one clear advantage: direct access to the manufacturer's own systems. Some newer vehicles tie key programming to online authorization that only a dealer can use, and certain all-keys-lost situations on specific platforms still require it. A good locksmith knows where those lines are. Where we can do the job, we use professional programming equipment that talks to the same immobilizer and keyless systems through the OBD-II port, and in many cases the result is identical: a properly registered key that starts the car. Where we can't, we can often still help by opening the vehicle, cutting a mechanical blade from code, or helping you gather what the dealer will ask for so that visit goes smoothly. For your Lincoln MKZ, ask us directly and you'll get a plain answer.

MKZ key battery

A fob battery rarely dies all at once. The warning signs build: you have to get closer to the car before the doors respond, the dash shows a key battery or key-not-detected message, or the push-button start only works with the fob held near the button. Inland heat speeds that decline, especially for fobs left in a hot cabin or on the dashboard. Keep a spare replacement at home in a cool drawer, sealed in its original package, and buy from a busy store where stock turns over quickly. A cell that sat on a shelf for years may arrive already partly spent.

How the job works

1. Identify the exact key your MKZ uses. We ask a few quick questions on the phone: the year, whether the car starts with a turn key or a button, how many keys you have left, and whether the remote still works the doors. Then we check the VIN against our programming references so the van arrives with the correct blank or fob, not a close guess.
2. Verify ownership before any work. Before cutting or programming, we compare your government photo ID with the vehicle registration or title and check that the VIN on the paperwork matches the VIN on the dash. If the registration is locked inside, we open the car first, confirm the documents, and only then make the key.
3. Get the key code or decode the lock. A key is cut from a code, not a guess. When the factory code can be retrieved through manufacturer channels after ownership is verified, we use it. When it can't, we decode a door lock with a pick-decoder tool that reads the wafer positions without damaging anything, then work out any missing cuts.
4. Cut the blade on-site. Cutting happens right beside your car. For a smart key, that means the emergency blade hidden inside the fob; for a transponder or remote-head key, it's the main blade you'll use every day. We deburr the cuts and check the fit in each lock so nothing binds or sticks later on.
5. Program the chip, remote or smart key. With the blade done, we connect to the OBD-II port and register the new key with the immobilizer. Depending on the Lincoln system, this may involve a security PIN, a timed waiting period, or on-board button sequences for the remote. On some vehicles we clone a working key's chip instead, when that's the more reliable path.
6. Test everything and clear out old keys. Before we leave, every function gets checked: doors, trunk or liftgate, panic button, remote range, engine start, and the emergency blade in the driver's door. If keys are missing, we delete them from the car's memory where the system allows, so a lost key can no longer start the engine.

What affects the price of an MKZ key

• The type of key. The biggest factor is technology. A plain mechanical key is a cutting job only. A transponder key adds a chip and programming. Remote-head and flip keys add a circuit board, and a proximity fob for a push-button Lincoln MKZ is the most involved of all, both in the part itself and in the programming.
• Factory or aftermarket parts. Factory keys and fobs carry the manufacturer's part number and usually the highest parts cost. Quality aftermarket keys use compatible electronics at a lower price and work well on many vehicles. We tell you which options we trust for your car, and where an aftermarket version has known range or fit issues, we steer you to OEM.
• All keys lost or adding a key. On some vehicles, losing the last key changes the programming entirely, from a quick add-key procedure to a full immobilizer reset or a module read on the bench. That extra labor shows up in the price, and it's the strongest argument for keeping a spare in the house.
• Programming complexity and security access. Some immobilizers accept a new key with a few on-board steps. Others need a PIN code, a timed security wait, manufacturer online access, or removing a module to read its data. Every extra layer of security on the Lincoln system adds equipment time and labor to the job.

Call (951) 903-3193 with your VIN and the keys you still have, and we'll quote the job before any work starts.

Common Lincoln key problems

• A rapidly flashing theft light with a no-start, or an engine that dies right away, usually means PATS didn't read the key. A cracked key head with a loose chip, or a hardware-store copy without the right transponder, is the usual cause.
• Remote-head keys from roughly 2006 to 2014 crack at the blade root or wear through the button pads. The transponder and remote board can often move into a new shell, but the new blade still has to be cut to your car.
• Town Cars spent years in livery service, so plenty of them have very high mileage, along with worn keys and ignition cylinders. Cutting a fresh key to code, rather than copying a worn one, usually restores a smooth turn.

Tips from a mobile locksmith

• Every so often, use the mechanical blade in the driver's door lock. Cylinders that go years without a key can seize from dust and dried grease, and you won't find out until the day the fob dies and the blade is your only way in. A small shot of dry lubricant keeps the lock ready.
• Southern California heat is hard on keys. Fob batteries drain faster, plastic housings turn brittle, and rubber button pads crack when a key spends summer afternoons on a dashboard or in a sunny cup holder. Carry the fob with you or keep it shaded, and replace batteries before summer rather than after they fail.
• On any vehicle with a turn-key ignition, keep the key ring light. A heavy cluster of keys, tools and charms swings with every bump and slowly wears the ignition wafers and the key itself. When the key starts to stick or needs a wiggle to turn, deal with it early, before it stops turning entirely.

Proof of ownership

Not every situation fits the simple case, so here's how we handle the common exceptions. For a leased or financed vehicle, a registration that lists you as the registered owner or lessee works with your ID. If you just bought the car, bring the signed title or bill of sale along with your ID. For a company or fleet vehicle, we need written authorization from the business plus the driver's ID. If the car belongs to a family member, the registered owner should be present or provide signed permission and a copy of their ID. Rental vehicles go through the rental company.

Need a 2013 Lincoln MKZ key?

Don't wait until the last key disappears. If your Lincoln MKZ is down to one key, or the one you have is falling apart, call (951) 903-3193. We're a licensed California locksmith, license LCO7891, serving Southern California and the rest of the Inland Empire with mobile car key service every day from 6:30 a.m. to 11:30 p.m.