What counts as car key replacement, and when do you need it?
Car key replacement covers a few different situations that people tend to lump together. You may have lost your only key. You may have a key that still works but is cracked, worn smooth, or no longer turns the ignition cleanly. You may have one key and want a spare before something goes wrong. Or you may have a key fob whose buttons have died. Each of these is solved a little differently, and the first useful thing we do on the phone is sort out which one you are really dealing with.
The service itself is the same at its core: we make a working key for your specific vehicle, cut it if it has a metal blade, and program it so the car accepts it. We do that where the car is parked. If you are in San Marino and your car is in a driveway, on a street, or in a lot, that is where the work happens.
The phrase people search for is often 'same day car key replacement,' and we understand why. A missing key rarely happens at a convenient time. That is why our phone, (213) 577-1366, is answered 24 hours a day, 7 days a week, year-round, and why we work from mobile vans rather than asking you to bring the car to us.
How does mobile car key replacement work, step by step?
Here is what actually happens when you call, so nothing about the visit is a surprise.
- You call (213) 577-1366. A real person answers, and we ask for the make, model, and year of the vehicle, plus where it is parked.
- We ask what you have in hand: no keys at all, one working key you want copied, a broken key, or a fob that has stopped responding. That answer changes the approach.
- We confirm the key type by VIN. Looking up the vehicle identification number is how we find out what your car actually needs, rather than guessing from the model name.
- We tell you what affects the cost for your situation and give you the full picture before work begins, not after.
- A technician drives to your vehicle in one of our mobile vans. You will need to show proof that the car is yours, usually your ID plus registration or title.
- The key is cut if it has a blade, then programmed to the vehicle. We test it in the door, the ignition, and any remote functions before we call the job done.
- If you had extra old or lost keys, we can discuss removing them from the car's memory so a lost key cannot start the vehicle.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366What kind of key does your car use?
Not every key is the same, and the type drives almost everything: how long the job takes, whether we can do it at your car, and what affects the price. We do not guess at this. Whether your car takes a plain metal key, a key with a chip inside, a remote-head key, or a push-button smart key depends on the make, model, and year, and we confirm it by VIN or in person rather than assume.
Broadly, the families look like this:
- Traditional metal keys: cut to match the lock, with no electronics involved.
- Transponder keys: a key with a chip that the car must recognize before it will start. These need programming as well as cutting. We cover that in more detail on our transponder key programming page.
- Remote-head keys and fobs: the key and the lock/unlock buttons are combined or separate. See key fob replacement if the remote is the part that failed.
- Smart keys and push-button start: the car senses the key nearby. These are programmed to the vehicle and are often a different job from a blade key.
Can we always do it, or is a dealer sometimes required?
Honestly, no, not always. Some vehicles lock key programming behind dealer-only procedures or manufacturer security that an independent locksmith cannot get around. Others are supported fine but need equipment or access codes that depend on the exact model and year. We would rather tell you that on the phone than send a van out and discover it on your curb.
That is why the VIN check comes first. If your vehicle turns out to be one that has to go through the dealer, we will say so plainly and explain what to ask for. If it is something we can do on site, we will tell you that too. Where the information for a particular vehicle is unclear or conflicting, we confirm in person before promising anything.
How much does car key replacement cost in San Marino?
We do not quote a flat figure over the phone for a car key, because there is no honest flat figure. The cost depends on the vehicle and the situation. The things that move it are:
Ask for the full total before the technician starts. A reputable locksmith will explain what drives it. On the question of price, a mobile visit is often the more economical route compared with a tow to the dealer, but that depends on your car, and we will tell you if it does not.
- The type of key: a plain cut key is a simpler job than a chip key, and a smart key is typically more involved than either.
- The make, model, and year: some systems are straightforward to program and others take more time and specialized equipment.
- Whether you still have a working key: copying an existing key is usually simpler than creating one when every key is gone.
- How many keys you want: making two at once is often more efficient than making one now and another later.
- Time of day and location: a 3 a.m. call to a vehicle on a quiet street is a different request from a daytime appointment.
- Whether the car also needs other work, such as a worn ignition, which is a separate repair.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366Should you make a spare car key before you lose the last one?
Yes, if you can. This is the single most practical piece of advice we give. When you still have a working key, making a duplicate car key is generally a simpler job than replacing a lost one. The car can often be programmed with the key you already own, and nobody has to start from scratch.
When every key is gone, the job is more involved. The technician has to work from the vehicle itself, and the process depends on how that particular car handles new keys. Our page on lost car key replacement is written for that situation, and it is worth reading if you are stuck at the moment.
A spare car key should live somewhere other than your own pocket or the same ring as the first key. A spare in a drawer at home does nothing if you lose your keys across town, so think about where it will actually be useful. If you have two household drivers, make sure each has one.
One more point on car key cutting: a cut key that does not turn the ignition is a common complaint with copies made at kiosks. For anything with a chip, cutting is only half of it. The car must also be taught the key. We handle both parts together.
What if the key is stuck, broken, or the ignition is the problem?
Sometimes the key is not the real issue. If your key snapped off in the ignition or a door lock, the first job is getting the broken piece out, which is covered under broken key extraction. If the key goes in but will not turn, or turns with effort, the cylinder may be worn, and that is an ignition repair question rather than a new-key question. A new key will not fix a worn ignition, and we would rather diagnose that than sell you a key you do not need.
If you simply cannot get into the car because the keys are inside it, that is a different call again: see car lockout. We keep these services separate on purpose, because the right fix depends on the real cause.
Car key replacement around San Marino
San Marino is a residential city in ZIP 91108 made up almost entirely of single-family homes on large lots, and that shapes how car key calls tend to look here. Cars are usually parked at the house, and the call is often about a key lost at home or on an errand rather than a car stranded at a curb. Our technicians come to wherever the vehicle is, so a call from the estate streets around Lacy Park looks the same to us as a call from near the Huntington Library.
If your car is on one of the large fenced lots along the Huntington Drive corridor, tell us on the phone how to reach it. Many properties here have gates and side entrances, and a technician who knows the car is behind a gate can plan for it. If the gate lock itself is the trouble, that is a separate job, and our mobile locksmith page explains how we handle on-site calls more broadly.
We also get calls from people in the Mission District around the Mission Street business district, where a key lost during the workday means the car is parked wherever you left it. The same goes for the Oak Knoll border area near Pasadena and the area around El Molino Viejo. Tell us the cross streets or the address, and we come to the car.
San Marino is about 22 miles from our Westwood storefront, and we are open about that. We serve it from our mobile vans. When you call, we give you an honest arrival estimate for your location rather than a number invented to win the job.
Summer heat in this inland part of the San Gabriel Valley is worth a mention for one practical reason: a key fob left in a hot car or a worn key left in a warm ignition does not help anything. Hot, dry summers are hard on plastic housings and batteries, and a fob that works one week may fail the next. If your remote has been getting patchy, replace the battery first, and if that does not help, call us before it fails completely.
Locked out or need a locksmith now?
We answer around the clock, every day of the year.
Call (213) 577-1366Why call Wilshire Lock & Key for your car key?
There are a lot of locksmith listings that look local and are actually call centers passing the job along. We are not that. Wilshire Lock & Key has been in business since 1987, with a storefront at 10740 Wilshire Blvd in Westwood and our own mobile service vans. When you call (213) 577-1366, you reach us, and the person who comes out works for us. There is no dispatch middleman between you and the technician.
David, the owner and lead technician, oversees the work. That matters on car keys, where the right call depends on judgment: whether a job can be done on site, whether the ignition is the real culprit, or whether the dealer is the honest answer.
We serve 140 cities across Los Angeles and Ventura counties, so we handle a wide range of vehicles and situations. For the broader picture of what we do with vehicles, see our automotive locksmith page.
How do you check that a locksmith is legitimate?
California requires locksmith companies to hold a license from the Bureau of Security and Investigative Services, known as a BSIS LCO license. You should ask any locksmith for that license number before they start work on your car, whether they are us or someone else. A legitimate company will give it to you without hesitation.
A few other warning signs apply to car key work in particular. Be wary of anyone who will not tell you what affects the price, who will not ask for proof of ownership, or who arrives in an unmarked vehicle with no company name. We ask for proof of ownership because it protects you: nobody should be able to have a key made for your car just by asking.
Frequently asked questions
Can you make a car key in San Marino if I have lost all my keys?
In many cases, yes. We work from the vehicle and its VIN to create a new key and program it on site. Whether that is possible for your car depends on the make, model, and year, and we confirm that on the call. If the car is a dealer-only case, we tell you plainly.
Do I need to bring the car anywhere?
Usually not. We come to the car in a mobile van and cut and program the key where it is parked. The exception is a vehicle that can only be handled by the dealer, and we will say so before anyone drives out.
Is there same day car key replacement in San Marino?
Our phone, (213) 577-1366, is answered 24 hours a day, every day. Whether we can complete the job the same day depends on your vehicle's key type and what the VIN check shows. We give you an honest arrival estimate when you call instead of a promise we cannot keep.
What do I need to show you before you make a key?
Proof that the vehicle is yours: typically a photo ID plus the registration or title. We ask for this on every car key job, and it protects you as the owner.
Is it cheaper to go to the dealer or call a mobile locksmith?
It depends on the car. A mobile visit avoids towing and is often the more economical route, but some vehicles are best handled by the dealer. We will tell you which applies to yours after we check the VIN.
Does a duplicate car key need programming too?
If your key has a chip or is a smart key, yes. Cutting the blade alone will not start the car. The key has to be programmed to the vehicle as well. A plain metal key with no electronics only needs cutting.
Should I make a spare car key even though my key works fine?
We recommend it. Copying a working key is generally simpler than replacing a lost one, and having a spare means a lost key becomes an inconvenience rather than an emergency.
My key goes in the ignition but will not turn. Do I need a new key?
Not necessarily. A worn key or a worn ignition cylinder can cause this. We check which one is at fault before replacing anything, because a new key will not fix a failing ignition.
More locksmith help in San Marino
Car Key Replacement near San Marino
Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.
Last updated 2026-10-11.
