At Tulsa Lock & Key, we install and service smart locks across the metro, so here is precisely what to expect when the power fails.

What Happens to a Smart Lock When the Power Goes Out on Your Home

Here is the reassuring reality: a home power outage does not power down a typical smart lock. These locks are designed to be independent of household electricity precisely because doors need to work during storms and blackouts. The lock’s motor, keypad, and wireless radio all draw from replaceable batteries, which commonly last several months to a year on a single set.

What you may lose during an outage is not the lock itself but the internet connection around it. If your Wi-Fi router or smart-home hub loses power, you temporarily lose remote features — unlocking from your phone across town, getting app notifications, or issuing voice commands. The lock still works perfectly at the door, though: your keypad code, physical key, or a tap of the touchpad opens it just as always.

Every Scenario, Explained

It helps to walk through each situation. When the batteries are good, the lock still works normally and you get in with your code, key, or app. When there is a low-battery warning, the lock still works but is telling you to replace the batteries soon, and you should swap them promptly. When the batteries are fully dead, the electronic functions stop, and you get in using the physical key backup or emergency power terminals your model provides. And when the Wi-Fi or hub is down, the lock still works at the door while only the remote and app features are lost.

As the table shows, the only scenario that actually stops the electronics is dead batteries — and even then, manufacturers build in backups.

Call Tulsa Lock & Key to choose a smart lock with the right backup features for your home.

What to Do If the Batteries Die

A truly dead battery is rare because smart locks warn you repeatedly first, but it is smart to know your options in advance. Most models include one or more of the following fail-safes.

• A traditional keyway, so a physical metal key always opens the door.
• Exterior 9-volt battery terminals you touch to briefly power the keypad.
• A USB-C or micro-USB port on some models for a quick jump of power.
• A backup access code stored in the lock’s onboard memory.

The key is to pick a lock whose backup method fits how you live and then keep spare batteries or a physical key accessible. It is also worth understanding the difference between locks that stay locked when power is lost and those that unlock. A wired fail-safe lock releases and opens when it loses power, while a fail-secure lock stays locked — a distinction that matters most for commercial access-control doors rather than typical battery-powered home locks.

Why Choose Tulsa Lock and Key

Tulsa Lock & Key has helped homeowners across Tulsa, OK modernize their doors for decades, and we match every customer with a smart lock that fits their routine and their peace of mind. Our technicians explain battery life, backup options, and the fail-safe versus fail-secure question in plain language, then install and configure everything correctly. We give honest recommendations, never overselling features you will not use, and we are local when you need service or a fast answer. When you want smart convenience without the lockout worry, our team has you covered. We can also service your security system so your locks and alarm work as one.

Conclusion

So, what happens to a smart lock when the power goes out? In almost every case, nothing — your battery-powered lock keeps working at the door, and you only lose remote app features if your Wi-Fi drops. The single scenario to plan for is dead batteries, and manufacturers guard against that with physical keys and emergency power options. If you want a smart lock set up the right way anywhere in the Tulsa area, along with reliable backup locks, call Tulsa Lock & Key today.

Thinking about a smart lock? Contact Tulsa Lock & Key for expert local installation.

Frequently Asked Questions

Do smart locks work without power?

Yes, most residential smart locks run on their own batteries, so they keep working even when your home loses electricity. A power outage mainly affects internet-based features like remote unlocking if your Wi-Fi goes down. The lock itself continues to operate with your code or key at the door.

What happens if a smart lock battery dies?

If the batteries die completely, the electronic keypad and motor stop working, but manufacturers provide backups. Most locks include a traditional key override, and many offer external terminals where you can hold a 9-volt battery to temporarily power the lock. Smart locks also warn you well in advance with low-battery alerts.

Can you still use a key with a smart lock?

Many smart locks include a physical keyway as a backup, so you can always unlock the door with a traditional key. Some keypad-only or fully electronic models do not have a keyhole and instead rely on backup power terminals. It is worth confirming which type you have before an emergency.

Do smart locks work without Wi-Fi?

Yes. The core locking and unlocking functions, including keypad codes and physical keys, work without any internet connection. Wi-Fi is only needed for remote features such as controlling the lock from your phone away from home or receiving app notifications. Losing Wi-Fi does not lock you out.

How long do smart lock batteries last?

Most smart locks run for roughly several months to about a year on a set of batteries, depending on usage and the wireless features enabled. Frequent use and constant Wi-Fi connectivity drain batteries faster. The lock will alert you with low-battery warnings before they run out.

The post What Happens to a Smart Lock When the Power Goes Out? first appeared on Tulsa Alarm Company | Tulsa Lock & Key | Tulsa, OK.

At Tulsa Lock & Key, we rekey locks for homeowners and businesses every single day, so let us pull back the curtain on what is really happening inside that keyway when we work.

What Rekeying Actually Means

Rekeying does not mean buying a new lock. It means keeping the same lock body, the same deadbolt, and the same doorknob you already own, and simply reconfiguring the part that reads your key. Every standard residential lock relies on a spring-loaded pin mechanism: a stack of small pins sits inside the cylinder, and only a key cut to the exact right heights will push those pins to the precise line that lets the cylinder turn. When we rekey, we swap those pins for a different combination of heights, which means a different key shape is now required to open it.

The beauty of this approach is that your hardware never changes. If you are hands-on, you can even rekey some locks yourself with a manufacturer kit, though most homeowners prefer the speed and guarantee of a professional. Either way, only the “combination” hidden inside changes, much like resetting a password without buying a new phone.

How Does Rekeying a Lock Actually Work, Step by Step

The process is quick in skilled hands, usually just a few minutes per lock. A technician removes the lock cylinder from the door, takes out the retaining clip, and slides out the plug that holds the pins. The old bottom pins are removed and replaced with new pins sized to match a fresh key. Once the new pins are seated and the plug is reassembled, the old key no longer aligns the pins correctly, while the new key glides them into perfect position.

• Remove the lock cylinder and take out the retaining clip.
• Slide out the plug and release the existing pins.
• Insert new bottom pins matched to a brand-new key cut.
• Reassemble the cylinder and test both the old and new keys.

When the job is done, the old key is useless and the new key works smoothly. If you have several doors, we can even set them so a single key operates every lock — a small-scale version of the master keying systems used in offices and apartment complexes.

Rekey vs. Replace: Which Makes Sense?

Rekeying and replacing solve different problems. With rekeying, the internal pins are re-set to a new key, you keep the existing lock hardware, and the relative cost is lower because you are reusing what you own. It is the best choice when keys are lost or copied or when you have just moved in, and the result is that old keys stop working while your new key operates the lock. Replacing, by contrast, means the entire lock hardware is removed and swapped, which carries a higher cost because you pay for new hardware plus labor; it is the better move when locks are worn, damaged, or you simply want an upgrade, and the result is a new lock with new keys.

For most Tulsa homeowners who are worried about who might still hold a key, rekeying delivers the same peace of mind as a new lock for a fraction of the price. If you are weighing the numbers, our breakdown of local rekeying cost lays out what to expect.

Call Tulsa Lock & Key to schedule fast, professional rekeying anywhere in the Tulsa metro.

When Homeowners in Tulsa Should Rekey

Rekeying is not just for emergencies. It is a smart, proactive habit any time the list of people with a key grows longer than you would like. There are a handful of moments when we especially recommend it.

• Right after closing on a new home, since you rarely know how many copies exist.
• After a roommate, tenant, or partner moves out.
• When a key is lost or stolen and could point back to your address.
• Following any construction or cleaning work where keys were shared.
• When you want several doors to open with one convenient key.

Because the neighborhoods and rental turnover around Tulsa, OK keep our team busy, we can usually reach you the same day. A professional rekeying service also guarantees the job is done cleanly, so you never get stuck with a lock that jams or a key that only works some of the time.

Why Choose Tulsa Lock and Key

Tulsa Lock & Key has spent decades protecting homes and businesses across Tulsa, OK, and rekeying is bread-and-butter work for our technicians. We show up on time, carry the pins and tools for virtually every residential and commercial lock, and finish most rekeys in minutes rather than hours. Our team offers honest recommendations — if replacing truly is the better value for your worn or damaged hardware, we will tell you plainly instead of upselling. You get skilled, background-checked professionals, transparent pricing, and the reassurance that once we leave, only the keys in your hand will open your doors.

Conclusion

So, how does rekeying a lock actually work? A locksmith simply changes the internal pins of your existing lock so your old key retires and a new one takes over, giving you fresh control over access without the cost of new hardware. It is fast, affordable, and perfect for movers, landlords, and anyone who has lost track of who holds a copy. If you are anywhere in the Tulsa area and want confidence that your doors answer only to you, our technicians are ready to help. Call Tulsa Lock & Key and let us rekey your home the right way.

Ready to control who holds a key? Contact Tulsa Lock & Key today for same-day rekeying.

Frequently Asked Questions

Is rekeying a lock as good as replacing it?

For security purposes, rekeying is just as effective as replacing a lock because it renders every old key useless. The main difference is that replacing also gives you new physical hardware, which matters only if your current lock is worn, damaged, or outdated. If your lock still works well, rekeying delivers the same protection at a lower cost.

Can I rekey a lock myself?

It is possible to rekey some locks yourself using a manufacturer rekey kit, but the kit only works for that specific brand and requires the existing working key. The process involves tiny pins and springs that are easy to lose or misplace, which is why many people prefer a professional. A locksmith can rekey almost any brand quickly and guarantee the result.

How long does it take to rekey a lock?

A skilled locksmith can typically rekey a single lock in just a few minutes once the cylinder is removed. A whole house with several doors is usually finished well within an hour. Timing can vary slightly depending on the lock brand and condition.

Can different locks be rekeyed to use the same key?

Yes. As long as the locks are the same brand and keyway, they can usually be rekeyed so a single key opens all of them. This is a popular option for homeowners tired of juggling separate keys for the front, back, and garage doors.

Does rekeying a lock change the key?

Yes, rekeying always results in a new key. The old key will no longer operate the lock once the internal pins are changed, and you receive a freshly cut key that matches the new pin configuration. Any spare copies of the old key become useless.

The post How Does Rekeying a Lock Actually Work? first appeared on Tulsa Alarm Company | Tulsa Lock & Key | Tulsa, OK.

At Tulsa Lock & Key, we help local drivers make sense of their keys every day, so let us break down exactly what is inside that plastic head and why it matters.

What Is a Transponder Key, Exactly?

A transponder key looks like an ordinary key with a chunky plastic top, but embedded in that top is a tiny chip that uses RFID technology. When you insert the key and turn it, a small antenna ring around the ignition sends out a low-power radio signal. The chip has no battery of its own; it draws power from that signal, then transmits back a unique code. If the code matches what the car expects, the engine control unit allows the car to start. If it does not match, the vehicle stays put.

This handshake is part of a broader anti-theft system called an immobilizer, which most manufacturers began building into vehicles in the mid-to-late 1990s. It is the reason a thief can no longer start a modern car simply by forcing the ignition or copying the metal blade of your key.

How the Chip Protects You From Theft

The whole point of the transponder is security. Before immobilizers, a matching-cut key or a little skill was enough to drive a car away. Now the car will crank but refuse to start unless it reads the correct chip code, which has meaningfully reduced certain kinds of vehicle theft. Because each chip carries a unique code that is difficult to clone, the technology adds a layer of protection that a plain mechanical key never offered.

Newer vehicles push this further with a keyless remote or a push-button proximity fob, but the underlying idea is the same: the car checks for a trusted electronic signature before it will move. That is great for security, but it also means replacing a lost key involves programming, not just cutting.

Which Keys Have a Chip, and Which Do Not

Not every key is a transponder key, and the differences affect how you replace them. A traditional metal key has no transponder chip, can be cut at a hardware store, and needs no programming. A transponder key does contain a chip, cannot simply be cut at a hardware store to start the car, and does need programming. A remote head key, which combines the chip with lock buttons, has a chip, cannot be fully duplicated at a hardware store, and requires programming. A proximity or smart key also carries a chip, cannot be copied at a hardware store, and must be programmed to your vehicle.

Here is a simple way to tell what you have at home. If your only key is a thin, all-metal key with no plastic head, it likely has no chip. If the head is bulky plastic, or if you press buttons to lock the doors, you are almost certainly holding a transponder-based key that needs professional programming to replace.

Not sure which one you have? Call Tulsa Lock & Key and our locksmiths will identify it for you.

Do You Actually Need One?

If your vehicle came from the factory with an immobilizer — and the vast majority built since the late 1990s did — then yes, you need a transponder key, because the car will not start with anything else. You cannot downgrade to a plain key without disabling the security system, which is neither practical nor wise. The real question is usually not whether you need one, but how to get a spare made affordably and correctly. Keeping a properly programmed backup key saves you from an expensive, stressful lockout later. Pairing smart key habits with well-maintained home locks rounds out your everyday security.

Why Choose Tulsa Lock and Key

Tulsa Lock & Key has served drivers and homeowners across Tulsa, OK for decades with honest, skilled service. Our technicians can identify your key type, explain your options in plain language, and point you toward the most cost-effective way to get a reliable spare. We believe in clear communication and fair recommendations, so you never pay for more than you need. When you want trustworthy local locksmith expertise instead of guesswork, our team is ready to help.

Conclusion

So, what is a transponder key and do I need one for my car? It is a key with a security chip that your vehicle must recognize before it will start, and if your car was built in the last two decades, you need one to drive. The chip works with your immobilizer to keep thieves out, which is why replacing it takes programming rather than a quick cut. If you are anywhere near Tulsa and want your key questions answered by real experts, call Tulsa Lock & Key and drive away with confidence.

Need a spare key sorted out? Contact Tulsa Lock & Key for friendly local help.

Frequently Asked Questions

How do I know if my car has a transponder key?

Look at the head of your key: a bulky plastic top, buttons, or a “chip” marking usually means it is a transponder key. You can also check whether your car was built after the late 1990s, since most vehicles from that era include an immobilizer. When in doubt, a locksmith or dealer can confirm it in minutes.

Can a transponder key be duplicated?

Yes, a transponder key can be duplicated, but it requires special equipment to copy the cut and program the chip to your vehicle. A standard hardware-store machine can only copy the metal blade, which will open the door but not start the engine. A professional locksmith or dealer has the tools to make a fully working duplicate.

Will my car start without the chip?

No. If your vehicle has an immobilizer, it checks for the correct chip code before allowing the engine to start. A key with the right cut but no matching chip may turn in the ignition and even crank the engine, but the car will not start and may briefly flash a security light.

How much does it cost to replace a transponder key?

Costs vary widely by vehicle, ranging roughly from around $50 for a basic transponder key to several hundred dollars for advanced proximity fobs, largely because of programming. Getting a key made by a locksmith is often more affordable than going through a dealership. Prices depend on the make, model, and type of key involved.

Can I program a transponder key myself?

Some vehicles allow a simple onboard programming procedure for an additional key when you already have a working one, and the steps are usually in the owner’s manual. However, many newer vehicles require professional programming equipment. If you have lost all your keys, you will almost always need a locksmith or dealer to program a new one.

The post What Is a Transponder Key and Do I Need One for My Car? first appeared on Tulsa Alarm Company | Tulsa Lock & Key | Tulsa, OK.