Car Key Replacement
Losing a car key along the Indian River waterfront or realizing your key fob has finally given up somewhere on US-1 near Sebastian's historic downtown is stressful — but it does not have to derail your day. Sebastian Locksmith dispatches trained, insured mobile technicians directly to your location, whether that's a parking lot off Main Street, a boat ramp on the Sebastian Inlet, or your driveway in Collier Club. We come to you, fully equipped with professional key-cutting and programming tools, so you are back on the road without a tow or a dealership appointment.
Open 24 hours, 7 days a week · Licensed, bonded & insured

“What sets a professional mobile service apart from a self-service kiosk is the depth of what we can handle. You may have noticed key-copying kiosks inside retail locations — convenient for duplicating a basic house key, but fundamentally limited when it comes to modern automotive keys. Transponder keys, proximity fobs, push-to-start smart keys, and high-security laser-cut blades require specialized equipment, vehicle-specific software, and hands-on expertise that no unattended kiosk can provide. Our technicians carry that capability to your door, 24 hours a day, 7 days a week, including holidays.
What we do
Available 24/7
Day, night, weekends and holidays — a real local locksmith answers and rolls a fully-stocked van.
Fast local response
Based in Sebastian, we reach the Sebastian area in well under an hour.
Insured & background-checked
Vetted technicians, up-front pricing, and no surprise add-ons when we arrive.
Damage-free entry
We pick and bypass locks the right way, so most lockouts are solved without drilling anything.
Why Kiosk Key Copying Falls Short for Modern Vehicles
Services like KeyMe kiosks and similar self-service stations positioned inside big-box stores — including the Walmart on US-1 — are genuinely useful for one narrow job: duplicating a basic metal house or office key. When it comes to automotive keys, the story changes quickly. A kiosk can cut the physical blade of some older, non-chipped car keys, but it cannot program a transponder chip, pair a proximity fob to your vehicle's immobilizer, or generate a working push-to-start smart key. If you visit a kiosk hoping to copy any key for your car and the vehicle was manufactured after the mid-1990s, there is a very high probability the copy will start nothing. The blade may fit the ignition cylinder, but without a correctly coded transponder, the engine control unit will refuse to communicate and the car will not start.
Automotive security systems have grown significantly more sophisticated. Today's vehicles use rolling codes, encrypted transponders, and proximity authentication that must be written by a technician with OBD-II programming tools and brand-matched software. A kiosk located inside a retail store has no connection to your vehicle and no way to perform that pairing. Our mobile technicians carry the equipment to handle that entire process on-site — cutting the blade to your car's exact specifications and programming the key or fob to your specific vehicle identification number. No guesswork, no wasted trips, no non-starting duplicates.

Car Key Replacement by Vehicle Brand — What You Need to Know
Different manufacturers use different transponder protocols, key blade profiles, and fob authentication systems, and understanding those differences is part of what our technicians train for. Toyota and Lexus vehicles manufactured after 2010 typically use an 80-bit Texas Instruments transponder and a G-chip or H-chip depending on the model; programming these requires EEPROM-level access on some trims. Ford and Lincoln vehicles have used PATS (Passive Anti-Theft System) since the late 1990s, and newer Ford models with push-button start require proximity key programming through a diagnostic interface. GM vehicles — Chevrolet, GMC, Buick, Cadillac — often use a pass-lock or pass-key system alongside a separate fob, and later models with the PKE (Passive Keyless Entry) system demand on-board diagnostic programming. Honda and Acura use a separate immobilizer ECU on older platforms; Nissan and Infiniti vehicles frequently require the all-keys-lost procedure when no working key is present, which involves additional decoding steps. European brands including BMW, Mercedes-Benz, Audi, and Volkswagen are among the most complex — many use proximity keys with encrypted rolling codes and demand that programming be performed while connected to the vehicle's CAN bus network. Our technicians are equipped and experienced across all of these platforms.
Chrysler, Dodge, Jeep, and Ram vehicles use Sentry Key technology, and many late-model FCA/Stellantis products require SKIM (Sentry Key Immobilizer Module) programming that must be matched to the vehicle's VIN. Hyundai and Kia have expanded their push-to-start lineups rapidly, and their proximity keys require brand-specific software to authorize. Subaru uses a transponder system that varies significantly between generations. The practical takeaway: there is no single universal key programmer, and no kiosk can substitute for a technician who knows which protocol, which blade cut specification, and which programming sequence your specific make, model, and year require. When you call Sebastian Locksmith at 772-732-0485, we confirm exactly what your vehicle needs before we dispatch — saving you time and ensuring we arrive with the right blank and the right tools.

Vehicle Locksmith Services: The Full Range of What We Handle On-Site
Car key replacement is the most common call we receive, but our mobile vehicle locksmith services extend well beyond cutting a new key. Here is a specific breakdown of what our technicians handle directly at your location: transponder key cutting and programming, proximity fob programming, push-to-start smart key cutting and pairing, key fob battery diagnosis and replacement, all-keys-lost vehicle programming (when every key has been lost or stolen), spare key creation from a working original, high-security laser-cut key duplication, flip-key shell replacement and blade transfer, remote head key programming, key extraction from broken-in-ignition situations, ignition cylinder repair and replacement, door lock actuator diagnosis, trunk and hatch lock service, motorcycle key cutting and programming, RV and motorhome key services, transponder chip cloning where legally and technically appropriate, lost key replacement for Japanese domestic market imports, fleet vehicle key management for local businesses and contractors, OBD-II diagnostic connection for SKIM module programming, key fob resynchronization after battery replacement, push-button start system troubleshooting, valet key creation, keyless entry system reprogramming after module replacement, VIN decoding for key-by-code cutting, and emergency car lockout service using non-destructive entry methods.
Every service begins with ownership verification — we ask for registration or title before any work is performed. This protects you as a vehicle owner and ensures our technicians only service vehicles that belong to the person requesting help. After verifying ownership and inspecting the vehicle, we provide an exact up-front price before a single tool is touched. The final quote reflects the specific factors at play: the vehicle make, model, and year; the type of key or fob required; whether it is a standard duplicate or an all-keys-lost scenario; your location relative to our dispatch point; and the time of day. We do not begin work until you have agreed to that confirmed price.

Factors That Shape Your Car Key Replacement Quote — and How to Get One Fast
A number of variables determine what your replacement key or fob will cost, and we are transparent about every one of them before work begins. Vehicle type is the largest single factor: a basic transponder key for a 2005 Honda Civic involves far less labor and a less expensive blank than a 2023 BMW X5 proximity smart key with its encrypted rolling-code system. The situation also matters — cutting a spare from a working original key is more straightforward than an all-keys-lost job where the technician must decode the lock or access the vehicle's immobilizer data through the OBD port. Time of day plays a role as well; our technicians are available around the clock, and late-night or early-morning calls may carry a different rate than standard daytime service. Travel distance from our dispatch location to your position in Sebastian or the surrounding Treasure Coast area is also factored into the quote.
The best way to get a fast, accurate quote is simply to call us at 772-732-0485 with your vehicle's year, make, model, and trim level, and your current location. We answer 24/7 — the same number any time of day or night. Our dispatcher will confirm whether we need your VIN for programming purposes, give you an exact price, and have a technician on the way. There are no hidden fees added after arrival, and we do not adjust the quote based on what we find when we get there unless the scope of the job genuinely changes in a way we discuss with you openly before proceeding.

Serving Sebastian, FL Around the Clock — We Come to You
Sebastian Locksmith is a locally rooted mobile service, and we know this area well. Whether you are stranded near the Sebastian Inlet State Park boat ramp on a weekend morning, locked out of your truck in a Pelican Island neighborhood, or dealing with a dead key fob in the parking lot of the Sebastian River Medical Center on Fleming Street, our technicians can reach you. We do not ask you to come to a shop or wait for a tow. The mobile nature of our service means the work happens at your location — in your driveway, at your workplace, on the side of the road — using the same professional-grade equipment a fixed shop would use.
Our technicians are trained, experienced, and insured, and they carry a wide inventory of key blanks and fob shells to minimize the situations where a part needs to be sourced before we can complete a job. Sebastian is a close-knit waterfront community, and many of our calls come from repeat customers and referrals from neighbors — that community trust drives how we operate. If you need a replacement key or fob today, do not wait for a dealership appointment that may be days out or attempt to rely on a kiosk service that cannot complete the programming. Call 772-732-0485 and our team will take care of it on-site, the same day, any time of day or night.

Frequently asked questions
Can a key-cutting kiosk inside a store program a transponder key for my car?
No. Kiosk services such as those found inside retail stores can cut the physical metal blade of some basic keys, but they have no ability to program a transponder chip, pair a proximity fob, or communicate with your vehicle's immobilizer system. Without correct transponder programming, a cut key will fit the ignition cylinder but the engine will not start. For any vehicle made after the mid-1990s with an electronic immobilizer, you need a trained technician with the appropriate diagnostic and programming equipment — exactly what Sebastian Locksmith brings to your location.
What information do I need to have ready when I call about a car key replacement?
Having your vehicle's year, make, model, and trim level ready speeds things up significantly. If you have access to your VIN (usually visible through the windshield on the driver's side dashboard), that is even better, as some key programming jobs require the VIN to generate the correct code. Your current location in or around Sebastian is also important so we can dispatch the nearest available technician and provide an accurate travel estimate. You will also need to be prepared to verify ownership with registration or title.
How long does it take to cut and program a replacement car key on-site?
For most standard transponder keys and fob programming jobs, our technicians can complete the work in 30 to 60 minutes on-site once they arrive. More complex situations — such as all-keys-lost programming on a late-model European vehicle, or an ignition cylinder replacement combined with key programming — may take longer. We give you a realistic time estimate when you call so you know what to expect, and we keep you informed throughout the process.
Do you handle all-keys-lost situations where every key has been lost or stolen?
Yes. All-keys-lost scenarios are among the more technically involved jobs we handle, and our technicians are equipped for them. When no working key exists, the process typically involves decoding the lock mechanically or accessing the vehicle's immobilizer data through the OBD-II port to generate and program a new key from scratch. It takes more time and may affect the quote, but we handle it completely on-site without requiring a tow to a dealership. Call 772-732-0485 and describe your situation so we can prepare the right tools before dispatch.
Does Sebastian Locksmith work on motorcycles, RVs, and fleet vehicles?
Yes. Our vehicle locksmith services extend beyond passenger cars and trucks. We handle motorcycle key cutting and programming for major brands, RV and motorhome key services, and fleet vehicle key management for local businesses and contractors in the Sebastian area. If you manage a fleet and need a reliable mobile provider for key issues, we can discuss a service arrangement. Call 772-732-0485 to talk through your specific needs.
What factors affect the price of a car key replacement, and will I know the cost before work starts?
Several factors shape the final quote: the vehicle make, model, and year (which determines the complexity of the key type and programming required), whether you have a working original key or need an all-keys-lost procedure, the type of key or fob (basic transponder, proximity smart key, flip key, etc.), your location in the Sebastian area relative to our dispatch point, and the time of day you call. We discuss all of these with you over the phone, confirm an exact price before any work begins, and do not adjust that price after arrival without a transparent conversation with you first. There are no surprise charges.