Automotive locksmith
2026 Subaru Impreza Key Replacement
Short answer: The 2026 Subaru Impreza belongs to the Impreza GU (sixth generation) and uses a remote head key and a smart proximity key with push-button start. Its immobilizer chip: Texas DST-AES 128-bit Subaru H. We can usually add spare keys on site; some situations, such as all keys lost on certain trims, need extra steps or a dealer-supplied part. Julian's Locksmith cuts and programs Impreza keys on site; call (951) 903-3193 with your VIN for a quote.

A 2026 Subaru Impreza key is more than a piece of cut metal. Depending on the trim, it carries a transponder chip that talks to the immobilizer, a remote that operates the door locks, or a proximity fob that lets the engine start with a push of a button. Each piece has to be matched and programmed, not just copied. Julian's Locksmith handles that work on-site in Southern California and the surrounding parts of the Inland Empire: we identify the exact key by VIN and part number, cut the blade by code, and pair the electronics through the car's diagnostic port. Below, you'll find the key types used on the Impreza, what replacement involves, and what affects the cost.
2026 Impreza key specs
| Generation | GU (sixth generation), 2024–2026 |
|---|---|
| Ignition | Turn-key or push-button, depending on trim |
| Key types | Remote head key; Smart proximity key (push-to-start) |
| Transponder / chip | Texas DST-AES 128-bit Subaru H |
| Key blade | B110 side-cut (Base remote-head key) |
| Key battery | CR2025 (remote-head key); CR2032 (smart fob) |
| Locksmith support | Spares yes; some cases need extra steps |
The current Impreza is sold only as a hatchback. In Subaru's 2025 lineup, the Base trim kept a remote-head key with a side-cut blade, while Sport and RS models had Keyless Access with push-button start as standard. Subaru dropped the Base trim for 2026, so every new 2026 Impreza starts with a button. The smart fob has a slide-out emergency blade, and the 2024 remote-head key is a different part from the previous generation's, with a thicker battery.
What's specific to the 2026 Impreza
2026 was the final model year of the Impreza GU (sixth generation). Late-run cars occasionally pick up running changes, so we check the VIN instead of assuming a 2026 Subaru Impreza matches a 2024. At less than a year old, a 2026 Subaru Impreza is usually still on its original keys and fob batteries. The most common call for a car this new is a second key, since many buyers leave the dealer with only one, or a replacement after a lost fob.
Smart-key cars like the 2026 Impreza can be targeted with relay attacks that extend the fob's signal from inside your home, so keep fobs away from exterior walls or in a signal-blocking pouch, and have any missing fob erased from the car.
Key options for the 2026 Subaru Impreza
- Remote head key. Remote-head keys look similar across many vehicles, but the electronics inside are not interchangeable. Getting the right one for a Subaru Impreza means matching the FCC ID and part number printed on the back or inside the case, the operating frequency, which is commonly 315 MHz on US-market cars, the transponder type, and the button layout. A trim with remote start or a power liftgate may use a four- or five-button version where a base trim uses three. We check those details against your VIN and your existing key, if you have one, before cutting the blade. A wrong match can look perfect and still refuse to program.
- Smart proximity key (push-to-start). Proximity keys bring a security trade-off worth understanding. Because the fob is always listening, thieves with relay equipment can stretch its signal from inside your house to the car in the driveway. Keeping the fob away from exterior walls, or in a signal-blocking pouch, closes that gap, and some fobs offer a sleep mode described in the owner's manual. If a smart key for your 2026 Subaru Impreza is lost or stolen, programming a replacement is the moment to delete the missing fob from the car's memory. And be wary of used fobs from online sellers: a lot of them are locked to the vehicle they came from and can't be reprogrammed to yours.
How the Subaru immobilizer works on the Impreza
- Supplier listings show the 2024 remote-head key, FCC ID CWTB1G496, shared with the 2024 Crosstrek, Legacy, Outback and Ascent.
- That 2024 key uses an H chip and a CR2025 battery, thicker than the CR1620 of earlier remote-head keys.
- Subaru's 2026 pricing release says the Impreza Base trim was discontinued, leaving the Sport and RS.
Programming a 2026 Impreza key
Spare keys and fobs go in through the OBD-II port with current Subaru software, which on many tools needs one working key. All-keys-lost on this platform is where coverage thins out: some programmers do not cover its modules, so we rely on dedicated Subaru licenses and emulators, and where those do not cover your car, the dealer is the answer. We check the VIN and tell you which applies before any work starts.
A Subaru built before its line got an immobilizer only needs a correctly cut key. We cut from the key code, which Subaru releases by VIN through its lock information service (a paid site for professional locksmiths), or by decoding a lock. Transponder Subarus from 2005 through the G-chip years are programmed through the OBD-II port, and Subaru's own procedure relies on an immobilizer security ID that is released along with the key code. Remote-head keys are normally registered as transmitters in the same session on 2012 and later cars, while the separate fobs of earlier years have their own routines. H-chip cars accept an added key readily when a working key is present, but all-keys-lost needs dedicated Subaru software, an emulator or bench work, and Keyless Access fobs must be new or reset to blank. Bring every key you still have, and expect us to check ID and registration first.
Spare keys are usually possible. All-keys-lost coverage is still uneven on this platform, so some cars go to the dealer.
Lost every key to your Impreza?
- Gather your documents and the VIN. Find your registration or title and a government photo ID in the same name. Note the VIN, which is printed on the driver's side of the dashboard and usually on your insurance card. If the paperwork is locked in the car, tell us; we'll open the vehicle first and check it there.
- Get into the vehicle without damage. If the car is locked, we open it with non-destructive tools such as an inflatable wedge and a long-reach rod, or by picking the door lock. Some vehicles need a careful approach to avoid triggering the alarm, which can interfere with programming later.
- Originate a new key from the car. Originating a key means building it without a sample. The door lock usually reveals most of the cuts; any it doesn't are worked out by test-cutting and trying the ignition or a second lock. The finished blade should feel like a factory key, not a forced fit.
- 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.
- Erase missing keys and add a spare. Once the car starts, we remove the lost keys from memory wherever the system allows, so they can't start the engine if someone finds them. Making a second key during the same visit costs much less than a repeat all-keys-lost call down the road.
Why a spare key pays for itself
- A spare stored safely at home rescues you from a locked car with the fob sitting on the seat, a key dropped somewhere along a hiking trail, or a fob that stops responding on a busy morning. Keep it indoors, never in a magnetic box under the bumper.
- 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.
Dealer or mobile locksmith?
The biggest difference between a dealership and a mobile locksmith is where the work happens. A dealer programs keys in its service bay, so if every key is lost, the car usually has to be towed there, and you work around the service department's schedule and the time it takes to order a key by VIN. Julian's Locksmith brings the cutting machine, key blanks and programming equipment to the car, whether it sits in your driveway, a workplace lot or a parking structure. For a 2026 Subaru Impreza we can program on-site, that means no tow and no shuttle rides back and forth. The trade-off is real, though: on vehicles where only the dealer can program keys, a tow or appointment may still be necessary, and we'll say so before you spend anything on our visit.
Impreza key battery
Battery details for the 2026 Impreza: CR2025 (remote-head key); CR2032 (smart fob). Swap cells one at a time and match each one exactly; if a key still fails with a fresh battery, the board, buttons or programming may be the problem, which we can test on site.
How the job works
- Identify the exact key your Impreza 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.
- 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.
- Get the key code or decode the lock. If you still have a working key, we can read its cuts directly and check them against the factory depths for the Subaru keyway. A worn key gets corrected back to spec during this step, so the new key turns crisply instead of reproducing years of wear in a fresh piece of metal.
- 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.
- 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 Subaru 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.
- 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 Impreza 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 Subaru Impreza is the most involved of all, both in the part itself and in the programming.
- 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 Subaru system adds equipment time and labor to the job.
- Blade style and cutting. The blade still matters on keyless cars, because the emergency insert has to fit the door lock. Cutting by code is standard for us. Decoding a door lock when no key or code exists adds time, and so does progressing any cuts the door lock doesn't show.
- Travel, timing and extra repairs. Because we come to you, the distance from our San Bernardino base and the time of the call play a part. So does anything we find along the way, such as a worn ignition cylinder or a seized door lock. You hear about each item and get a quote before we start work.
Call (951) 903-3193 with your VIN and the keys you still have, and we'll quote the job before any work starts.
Tips from a mobile locksmith
- Photograph the back of your fob and any key tag that came with the car. The FCC ID, part number and key code printed there make ordering a replacement faster and more accurate. Store the photos somewhere you can reach from any device, not only on the phone that might go missing along with the keys.
- Never hide a spare key or fob on the outside of the car. Magnetic boxes in wheel wells and under bumpers are the first places a thief checks, and with a proximity fob, a hidden key can let anyone open the doors and drive away. Keep the spare at home or with someone you trust.
- 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.
- When a key's head cracks or its blade bends, replace it before it fails. A transponder chip can slip out of a split head, and a bent blade can break off inside the ignition or door lock, turning a simple key replacement into an extraction and repair job. Small symptoms are the inexpensive time to act.
- If your vehicle has a proximity key, think about where it sleeps at night. A fob hanging by the front door can sit within range of relay equipment used to open and start cars from outside. A drawer deeper inside the house, a signal-blocking pouch, or the fob's own sleep mode reduces that risk considerably.
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 2026 Subaru Impreza key?
Don't wait until the last key disappears. If your Subaru Impreza 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.
Frequently asked questions
Can a locksmith make a key for a 2026 Subaru Impreza?
We can usually add spare keys on site; some situations, such as all keys lost on certain trims, need extra steps or a dealer-supplied part. Spare keys are usually possible. All-keys-lost coverage is still uneven on this platform, so some cars go to the dealer. The 2026 Impreza uses a remote head key and a smart proximity key with push-button start.
What happens to the key I lost? Can it still start my Subaru?
When we program new keys, we can usually erase lost keys from the immobilizer, which stops them from starting the engine. On some systems the car only remembers the keys present during programming, so the lost one drops off automatically. Keep in mind that a lost key's metal blade can still open the doors, so if it went missing with something that shows your address, ask about rekeying the door locks.
Can you program a key fob I bought online for my 2026 Impreza?
Sometimes. The fob has to match your vehicle's FCC ID, frequency and chip type, and it can't already be locked to another car, which is common with used smart keys. Send us a photo of the fob, the listing and your VIN before the appointment. If it's compatible, we'll cut and program it. If it isn't, we'll tell you before charging for an attempt, and we can supply a part we know will work.
Why does my Impreza crank but not start with a newly cut key?
That pattern points to the immobilizer, not the engine. The blade is cut correctly, so the ignition turns, but the car doesn't recognize the chip and blocks fuel or spark. A flashing security light usually confirms it. The key either wasn't programmed, carries the wrong chip type, or is an unprogrammed copy from a hardware store. Programming a correct key to your 2026 Subaru Impreza resolves it.
How much does a replacement key for a 2026 Subaru Impreza cost?
It depends on the key type, whether you choose a factory or aftermarket part, whether any working key is left, and how the Subaru security system handles programming. A spare for a car with a working key costs less than an all-keys-lost job that needs lock decoding or module work. Call with the VIN and we'll give you a specific quote before we drive out, and nothing changes once we arrive unless you approve additional work.
Can you make an Impreza key from the VIN alone?
The VIN is a starting point, not a finished key. For many vehicles, the factory key code can be obtained from the VIN through manufacturer channels once ownership is verified, which lets us cut a blade that matches your locks. The chip or fob still has to be programmed at the vehicle, so we need access to the car itself. Where no code is available, we decode a lock instead.
Is the 2026 Subaru Impreza push-to-start?
It depends on the trim. Some 2026 Impreza trims have push-button start with a smart key, while others use a turn-key ignition. The quickest way to tell is the start button on the dash, or your VIN, which we can decode when you call.
What battery does a 2026 Subaru Impreza key use?
Battery details for the 2026 Impreza: CR2025 (remote-head key); CR2032 (smart fob). Swap cells one at a time and match each one exactly; if a key still fails with a fresh battery, the board, buttons or programming may be the problem, which we can test on site.
Other Impreza years
- 2025 Impreza
- 2024 Impreza
- 2023 Impreza
- 2022 Impreza
- 2021 Impreza
- 2020 Impreza
- 2019 Impreza
- 2018 Impreza
- 2017 Impreza
- 2016 Impreza
- 2015 Impreza
- 2014 Impreza
- 2013 Impreza
- 2012 Impreza
- 2011 Impreza
- 2010 Impreza
- 2009 Impreza
- 2008 Impreza
- 2007 Impreza
- 2006 Impreza
- 2005 Impreza
- 2004 Impreza
- 2003 Impreza
- 2002 Impreza
- 2001 Impreza
- 2000 Impreza
