Car Key Fob Programming
If you have ever walked out of the Pearl District farmers market or a Spurs game at the Frost Bank Center only to realize your key fob is dead, damaged, or simply missing, you already know how fast the situation goes from inconvenient to stressful. Pro San Antonio Locksmith provides professional, mobile key fob programming and replacement services that come directly to wherever you are parked in the San Antonio area — no tow truck, no dealership appointment, no waiting room.
Open 24 hours, 7 days a week · Licensed, bonded & insured

Our trained and insured technicians carry the tools and blank fob hardware to program replacement remotes for a wide range of domestic and foreign vehicles on the spot. Whether you drive a pickup along I-10, commute through Alamo Heights, or park a fleet vehicle near Loop 410, we dispatch around the clock so you are never stranded. Call (210) 390-5422 any time of day or night — our team answers 24/7.
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 San Antonio, we reach the San Antonio 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.
More about our work
Everything you need to know about how we help — at a glance.
What Car Key Fob Programming Actually Involves
A key fob is more than a plastic remote — it contains a transponder chip, a radio-frequency transmitter, and in many modern vehicles an immobilizer code that must be synchronized with your car's onboard computer before the vehicle will start. Programming that link requires specialized diagnostic software, vehicle-specific cut keys or proximity blades, and hands-on experience with dozens of different makes and model years. Our technicians do not guess — they verify your VIN, confirm ownership, and then use professional-grade equipment to write the correct pairing sequence the first time.
The process differs meaningfully by vehicle type. Some older domestics allow owner-initiated programming through a sequence of door-lock and ignition steps. Most vehicles built after 2010 — and virtually all push-to-start systems — require dedicated programmer hardware that reads the immobilizer module directly. Luxury and European makes like BMW, Mercedes-Benz, and Audi often involve additional security layers that a standard auto-parts-store reader cannot touch. We handle all of these scenarios with damage-free techniques that protect your vehicle's electronics throughout the procedure.
Car Key Fob Programming, Replacement, and Related Automotive Locksmith Services San Antonio
Beyond programming, our automotive locksmith services cover the full range of situations drivers face. If your fob housing cracked, the battery contacts corroded, or you simply need a duplicate before a road trip to the Hill Country, we cut and program spare fobs on site. Locked out of your car entirely? We use non-destructive entry methods to get you back inside without damaging door seals or window moldings, then handle the fob or key programming right there in the parking lot. Our mobile unit also serves motorcycles and light trucks, not just passenger cars.
Services we provide include: car key fob programming, key fob battery replacement and housing repair, transponder chip key cutting and programming, push-to-start proximity key programming, high-security laser-cut key duplication, ignition cylinder repair and replacement, broken key extraction from ignition or door lock, car lockout opening (damage-free), motorcycle key cutting, fleet vehicle key programming, commercial locksmith mortise lock installation and rekeying, mortise lock repair for office buildings and multi-unit properties, door knob lock rekeying and replacement, emergency locksmith response for residential lockouts, home lockout opening and lock inspection, master key system design for commercial properties, deadbolt installation and upgrade, smart lock programming and troubleshooting, padlock cutting and combination reset, mailbox lock replacement, file cabinet and desk lock service, safe opening and combination change, access control keypad programming, garage door keypad and lock service, and window lock repair. That breadth of coverage means one call to (210) 390-5422 resolves virtually any lock or key emergency you face.
Locked Out of Your Car, Home, or Business? We Come to You Around the Clock
A car lockout at 2 a.m. near the South Flores strip feels very different from one at noon in a mall parking lot, but the answer is the same: a mobile technician dispatched immediately from a location near you in San Antonio. We verify your identity and ownership before touching the vehicle — that step protects you and keeps our work legitimate. For home or business lockouts, we apply the same principle: check for alternate entry points and a spare key first, confirm your right to access, then open the lock with care. We never use forced-entry shortcuts that damage frames or strike plates.
Child locked in a car is a genuine emergency. If you call (210) 390-5422 and tell our dispatcher a child is inside the vehicle, we treat that call with the highest urgency and advise you to also contact emergency services immediately. Our technician can reach many San Antonio locations faster than you might expect because our mobile units are already on the road. We also cover commercial locksmith emergencies — a broken mortise lock on the front door of a downtown office or a failed door knob lock at a restaurant on the River Walk does not have to mean a lost business day.
What Determines the Cost of Key Fob Service — and How We Quote It
Pricing for key fob programming and related locksmith work depends on several honest, straightforward factors. The make, model, and year of your vehicle matter most — a domestic sedan with a simple remote requires different blank hardware and programming time than a newer push-to-start SUV or a European luxury vehicle with rolling-code encryption. The time of day affects dispatch — after-hours and emergency locksmith calls involve different logistics than daytime appointments. Travel distance within the San Antonio metro plays a role, and whether you need a blank fob sourced on the spot or already have one affects parts cost. The same logic applies to commercial locksmith work: a standard door knob lock rekey is quoted differently from a multi-point mortise lock overhaul on a commercial steel door.
What we commit to is transparency. Before any technician touches your vehicle or property, we confirm a firm, up-front price — no surprise additions after the work is done. We never pad invoices with hidden fees, and we explain every line of the quote in plain language. If your situation changes mid-job (for example, a damaged ignition cylinder is discovered once we open the car), we stop, explain the finding, and give you a revised quote before proceeding. That process is the same whether it is a key fob at a Northside shopping center or a mortise lock replacement at a medical office off Loop 1604.
Frequently asked questions
Answers to what our customers ask most. Still unsure? Just call.
Is there a 24-hour locksmith in San Antonio?+
Yes — Pro San Antonio Locksmith operates 24 hours a day, 7 days a week, including weekends and holidays. Our dispatchers answer every call live, and we have mobile technicians covering the San Antonio area at all hours. Whether you need key fob programming at midnight or an emergency locksmith for a business lockout at 5 a.m., call (210) 390-5422 and a real person will pick up.
Where can I get a car key replacement in San Antonio without going to the dealership?+
Our mobile team brings the same programming capability directly to your location anywhere in the San Antonio metro — driveways, parking lots, roadsides, or job sites. We cut and program replacement keys and fobs on site for a wide range of vehicles, so you skip the dealership wait and the tow-truck expense. Call (210) 390-5422 and tell us your vehicle year, make, and model so we can confirm we have the right blank hardware before we dispatch.
How much does a pop-a-lock or car lockout service cost in San Antonio?+
There is no single flat figure because several factors shape the final quote: your vehicle type, the time of day, where you are located in the San Antonio area, and whether any additional service — like key programming — is needed once you are back inside. What we guarantee is a confirmed, exact price before any work begins. Call (210) 390-5422 for a no-obligation quote based on your specific situation.
How much should a locksmith charge, and how do I know the quote is fair?+
A fair quote reflects real variables: the complexity of the lock or vehicle system, parts required, response time, and travel. Be cautious of any locksmith who gives a very low estimate over the phone and then dramatically increases the price on arrival — that bait-and-switch practice is a known problem in the industry. With Pro San Antonio Locksmith, the price we confirm before we start is the price you pay. Our trained and insured technicians explain every charge so you understand exactly what you are paying for and why.
Can you program a key fob I bought online or from an auto parts store?+
In some cases, yes — we can program a compatible aftermarket fob you already own to your vehicle. However, compatibility is not guaranteed with every make and model, particularly late-model vehicles with encrypted immobilizer systems. When you call (210) 390-5422), share your vehicle details and the fob part number so our technician can confirm compatibility before dispatch. If the fob turns out to be incompatible, we carry blank hardware for most common vehicles in our mobile unit.
Do you handle commercial locksmith mortise lock work as well as car key fobs?+
Absolutely. While key fob programming is a major part of what we do, Pro San Antonio Locksmith is a full-service locksmith for residential and commercial properties as well. Our technicians install, rekey, and repair mortise locks, door knob locks, deadbolts, and access control systems for businesses throughout San Antonio. If your office has a failing mortise lock alongside a fleet vehicle that needs transponder programming, one call to (210) 390-5422 gets both handled by the same skilled team.