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Julian's Locksmith

Montclair, San Bernardino County

Spare Key Fob in Montclair: Add a Backup Before You Need One

Short answer: What a spare key fob costs depends on the fob style, whether the part is original or aftermarket, and how tightly your make guards key programming. We won't quote blind. Tell us the year, make, model and whether the car has a start button, and we'll give a firm price before the van leaves for Montclair. Call (951) 903-3193.

Spare Key Fob in Montclair, CA — Replacement key fobs for modern vehicles

Nobody plans a day around a spare key fob. It sits in a kitchen drawer, or it doesn't exist, and the single fob in your pocket does all the work until it goes through the wash, drops out of a bag near Montclair Hospital Medical Center, or simply stops answering the car. By then you're not shopping for a spare; you're paying for a rescue. Adding a second fob while the first one still works is a quieter, shorter job. We read your existing setup, add the new fob to the car's memory and test it before we leave. Julian's Locksmith does exactly that across Montclair, in your driveway or at your workplace, with the price settled before the van rolls.

How this works in Montclair

Two things shape every spare key fob visit in Montclair: proof that the car is yours, and how tightly your automaker protects its key system. On the first, we ask for photo ID and a registration or title that matches, and we compare the VIN at the base of the windshield with the paperwork. California's Locksmith Act, administered by the Bureau of Security and Investigative Services, is the law that licenses us, under number LCO7891, and the verification rule applies whether we're making your first spare or your fifth. On the second, makes differ widely. Many domestic and Asian models program with standard tools through the OBD-II port. Chrysler, Dodge, Jeep and Ram vehicles built since about 2018 add a security gateway that requires authenticated access. Some late-model European cars tie key learning to the manufacturer's online services, and a few vehicles are dealer-only for additional keys. We tell you which situation your car is in before the van leaves, so you aren't sitting in the driveway while we find out.

What we can do on-site

  • Smart-key fob added to your set. Many drivers assume a push-button car needs the dealer for a second fob. For plenty of makes it doesn't. We carry smart-fob hardware for common models, program the new fob beside your car, and confirm walk-up locking, trunk release and engine start before leaving. When your make demands factory authorization, we say so and lay out the alternatives.
  • Checking your working fob first. Before adding anything, we test the fob you already have: battery voltage, button response, case condition and read range. A fob that works only when pressed against the glass is on borrowed time. If it's tired we replace its coin cell, and we suggest making the spare now, while the original still enrolls cleanly.
  • Valet or wallet key to carry alongside. A door-only key is also an inexpensive backup against the dead-fob lockout, the most common reason people phone us. Pair one with a programmed spare key fob and you've covered two different failures, a lost key and a locked-out one. We cut it to your car's code and tell you exactly what it opens.
  • Erasing a lost fob from the car's memory. A fob dropped at the gym or left in a rental is a security issue, not just an inconvenience. Erasing it from the immobilizer stops it starting the engine, and on many models re-enrolling your remotes also cuts off the old remote. We explain what your model's reset does and doesn't cover before we start.
  • Matching remote start, liftgate and memory settings. Some vehicles store seat, mirror or climate memory against the specific fob in use. A second fob may start with default settings, or you may be able to link it to a profile through the car's menu. We show you how your model handles this, so two drivers don't fight over seat positions.

How Montclair shapes the job

Family cars run on shared keys. A fob lives in a diaper bag, a soccer duffel or a coat on a hook, and the second fob is nowhere in particular. In North Montclair and similar neighborhoods across Montclair, a typical visit adds a spare for the second driver and sometimes one that never leaves the house. We can program it at the curb while the kids are at school.

Commuters lean on one fob harder than anyone, and a lost or dead fob at a park-and-ride can cost a whole workday. Along I-10 and the freeways around Montclair, a spare key fob kept at home or with a family member turns a disaster into an inconvenience. We start at 6:30 a.m. every day, so an appointment before you leave for the day is realistic.

Inland heat is hard on fobs. A car baking in a Montclair parking lot can weaken coin cells, warp thin plastic cases and loosen solder joints. A spare stored in a cool drawer outlives one kept in the cupholder. When we add a spare key fob, we check the battery and board of your working fob and suggest replacing both cells on the same day.

Common situations

  • A landscaping crew runs a white cargo van with one remote-head key passed from foreman to foreman. We'd program a second key to hang on the yard board and a third for the owner's keychain. Authorization matters here: we need the registration or a letter from the owner, and the person present must be able to speak for the business.
  • A driver orders a fob online that matches the model year and the picture exactly. It arrives, lights up and does nothing. A look at the circuit board shows a different chip family and the wrong frequency. We'd explain why the fits-your-car label meant less than they hoped, then source the correct fob and program it, so the first purchase becomes a lesson instead of a second problem.
  • A fob's lock button works on the third press, and the case has a hairline crack along the key ring. That's the moment to make a spare, not after the buttons quit. We'd test the old fob, swap its battery, add a fresh fob while the original still enrolls cleanly, and suggest retiring the cracked one to a drawer as a backup of last resort.
  • Think of a rideshare driver whose hybrid sedan is also the paycheck. One lost fob would mean missed shifts while a replacement is arranged. They book a spare key fob on a weekday morning, hand the second fob to a relative who lives nearby, and carry a plain door-only blade in a wallet for the dead-battery lockout. It's a small precaution, not an emergency.

From your call to the finished job

  1. Call and describe the fob you have. Tell us who the car is registered to and whether you're that person. Leased and company cars involve a second party. Also say where the car will be and what time suits you. A spare key fob visit is a scheduled job, so we can plan hardware and tools ahead.
  2. Get a quote and choose the hardware. We'd rather tell you honestly if a dealer or another route suits you better. Some vehicles need factory authorization we can't obtain, and a few late-model cars have no workable aftermarket fob at all. If yours is one of them, we point you in the right direction instead of wasting your time.
  3. Verify ownership and inspect your fob. On arrival we check photo ID and a registration or title, and compare the VIN at the windshield with the paperwork. Then we examine your working fob: battery, buttons, case and the FCC ID on the back. It's a quick check that prevents surprises midway through programming.
  4. Prepare the spare. If you supplied the fob, this is where we find out whether it can work. We read the circuit board, look for a chip and test the unit with our programmer before committing to anything. A fob that fails the check stops here, and we talk through a replacement.
  5. Program through OBD-II or the car's own procedure. Sometimes the immobilizer insists on learning the whole set of keys at once. Then we enroll your working fob and the new one together, since a rewrite can drop any key that isn't present. That's why we ask you to bring every key and fob you own, even the cracked one.
  6. Test, tidy up and hand over. Last, we try the physical blade in the driver's door, make sure no warning lights remain, and have you start the car yourself with each fob. If a fob misbehaves later, call us and we'll sort it out. A spare that needs a second look after a few days is still our concern.

Pricing factors

  • Where the fob comes from. Aftermarket does not mean poor, and original does not mean perfect. The differences you notice are usually range, button feel and case finish, not security. We tell you what has held up in San Bernardino County heat and what tends to fail, then you choose your own balance of price and fit.
  • How many working fobs the car already has. With a working fob present, a spare is an add-key job, the most economical path. With none, it's all-keys-lost: more steps, sometimes a PIN, sometimes module work. If you're deciding whether a spare key fob is worth it now, think of that gap in price and time as the premium for waiting.
  • How tightly the make guards key programming. Age matters as well. Older immobilizer systems are well understood and quick to program, while newer ones add encryption layers. A ten-year-old compact and a current luxury SUV can sit at very different points on the difficulty scale, even when their fobs look similar in your hand.

Every job gets a clear quote before any work starts. Call (951) 903-3193 with the details and we'll tell you what to expect for your situation in Montclair.

What to do before we arrive

  • Photograph the back of your fob today. The FCC ID, part number and any date codes printed there are the fastest way to confirm what your car uses, and a clear photo lets us quote more accurately before we drive out. Store it in the same album as your registration and insurance card.
  • Schedule around our hours. We work every day, 6:30 a.m. to 11:30 p.m. A planned job fits easily into a weekday morning, leaving time to test properly, which beats squeezing it into the last half hour before our 11:30 p.m. close.
  • Give each regular driver a fob of their own. When several people share one, someone ends up stranded and nobody knows who has it. Individual fobs also make it easy to erase one if a driver moves out, changes jobs or loses it, without disturbing everybody else's key.
  • If your spare is a smart key stored at home, keep it away from the front door and the garage wall nearest the car. Thieves can relay a fob's signal from a hallway table to a car in the driveway. A signal-blocking pouch or a metal tin stops that, and a quick test shows whether it works.

What not to do

  • Skipping the physical blade. People test the buttons and the start function, then never try the emergency blade in the door. When the fob battery dies, the blade is your way in, and an uncut or poorly cut one leaves you stranded despite owning a spare.
  • Staying quiet about a lost fob. If a fob is missing, the car still recognizes it until someone erases it. Tell us when you call so we can plan the erase and bring what's needed to re-enroll the fobs you still have. Silence leaves the lost one working.
  • Leaving the spare in the car. A key hidden on the vehicle is the first place thieves check, and it does nothing for you on the day you're locked out, because the car itself is holding it. Keep the spare at home, in a drawer, where a relative can bring it to you.

Getting to Montclair

Montclair is about 29 miles from our San Bernardino base, roughly 36 minutes in light traffic via Belmont Ave and Palm Ave to I-215 North, I-15 South past Fontana and Rancho Cucamonga. When you call, you get an arrival estimate based on where the technician is and the traffic at that moment.

Rush hour on Mission Boulevard can stretch a drive considerably. We'd rather give you a realistic arrival window than an optimistic one, and we'll call you if a closure or a crash changes the plan.

About Montclair: In September 2026, San Bernardino County Fire began interim coverage at Montclair's Fire Station 152 on Monte Vista Avenue while the city studies annexation.

NeighborhoodsHolt Boulevard corridor, Central Avenue corridor, North Montclair, Arrow Highway corridor, Montclair Place District, Kingsley Street area
ZIP codes91763
Main routesI-10, Central Avenue, Monte Vista Avenue, Mills Avenue
From our San Bernardino baseabout 29 miles via Belmont Ave and Palm Ave to I-215 North, I-15 South past Fontana and Rancho Cucamonga, then I-10 West to the Monte Vista Avenue or Central Avenue exit; SR-210 West to Monte Vista Avenue, then south, for North Montclair

Need a car key in Montclair?

Call (951) 903-3193 with the year, make and model, and tell us whether you still have a working key. We'll tell you whether the key can be made at the car or has to come from the dealer, and quote the job before any work starts.

Frequently asked questions

Can you make a spare key fob if I have only one working fob?

Yes, and that's the easiest situation. With one working fob, we connect a programmer to the OBD-II port, enroll a new fob beside the old one and test everything. A few makes require two keys for on-board programming or ask for factory authorization. Give us the year, make and model when you call, and we'll tell you which category your car falls into.

When can you come out for a spare key fob?

We work every day from 6:30 a.m. to 11:30 p.m., weekends included. We're closed overnight. Because a spare isn't urgent, a weekday morning is a good choice. Call (951) 903-3193 and we'll give you an honest arrival estimate and a price before heading to Montclair.

Can I buy a fob online and have you program it?

Often yes, if it's the right fob. We check the part number, FCC ID and chip, and test the unit before programming. Common problems are the wrong chip family, the wrong frequency and fobs already locked to another car. If yours is unusable, we explain why and can supply a matching one. We can't vouch for parts we didn't source, so we test first.

Should I keep the spare key fob in the car?

No. A fob left in the car helps a thief, and it can't help you when you're locked out, because the car is holding it. Keep the spare at home in a drawer, ideally in a signal-blocking pouch if it's a smart key, or give it to a trusted relative who can reach you quickly.

What if my car is a brand you can't program?

A few vehicles, mostly certain late-model European models, require manufacturer authorization we can't obtain, so the dealer is the only route. We'd rather tell you that on the phone than let you find out in the driveway. If we can't help, we say so plainly and suggest what to ask the dealership.

Can a used key fob be programmed to my car?

Sometimes. Many used fobs are locked to the car they came from and can't be learned by another vehicle, while others are unlocked and work fine. We can test a used fob with our programmer, but the outcome depends on the make and the fob's history. If it fails, we can supply a new one and program it at the same visit.

How far is Montclair from your base?

Montclair is about 29 miles from our San Bernardino base, roughly 36 minutes in light traffic. Arrival time depends on traffic and on the job the technician is finishing, so we give you an estimate on the phone before you commit.

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Daily 6:30am–11:30pm