What we
actually do.

Year, make, model, and whether any working key still exists. Those four answers decide the tools, the time and the price before anyone loads a van. They are not small talk on the phone. They are the diagnosis, and getting them right is the difference between a technician arriving with the correct blank and the correct programming path, and a technician arriving with a van full of equipment that does not apply to the car in front of him.

A 2009 Honda Accord and a 2023 Honda Accord share a badge and almost nothing else where keys are concerned. The first takes a bladed key with a transponder chip moulded into the head, cut from a standard blank and paired to the vehicle through an onboard procedure. The second takes a proximity smart key that never leaves a pocket, talks to the car over radio, and has to be registered through a security handshake that involves a waiting period on some platforms. Same nameplate, two entirely different jobs, two different parts, two different prices.

That is why the phone conversation matters more than most callers expect, and why the first question is never how much. It is what are we working on.

• Car Key Replacement
• Ignition Repair
• Key Fob Programming

The three questions that decide everything

The first is the vehicle itself. Year, make, model, and where it was built for. Those identify the key system, the blank, the cutting method and the programming route. A VIN removes all remaining doubt, and it is visible through the windshield at the base of the driver side glass on almost every vehicle on the road. Reading it out over the phone saves guesswork on both ends.

The second is whether a working key still exists. This single fact can change the shape of the job more than anything else. If one key still starts the car, a second key is usually an additive procedure: cut the blank, add it to the list of keys the vehicle recognises, done. If every key is gone, the vehicle has to be convinced to accept a key it has never seen, with no known key to authorise the change. That is the all keys lost condition, and on many modern platforms it involves reading security data out of a module, a timed security access window, or both.

The third is where the vehicle is sitting and whether it can be reached. A driveway in Cypress, a covered garage in Bellaire, the third level of a parking structure near the Medical Center, the shoulder of the Grand Parkway, a port lot in Galveston with a gate and a guard. Each has consequences. A gated garage needs someone to let the van in. A port or refinery lot may require a badge or an escort. A shoulder on a highway feeder is a place where the work has to be organised around traffic. None of these are obstacles, but all of them are better known in advance than discovered on arrival.

This is the largest share of what we do, and it covers a wider range of work than the name suggests. It includes a spare cut for a household that has been running on one key for years, a replacement for a key that has gone missing entirely, a key that has broken off in the door or the ignition, and a worn key that still turns but has started to need coaxing. It also covers the vehicle that has never had a second key since the day it was bought used, which is a surprisingly common situation and a genuinely risky one.

Three generations of key, all still on the road

The oldest style is a plain mechanical key. Cut metal, no electronics, no chip. Turn it and the car starts. These survive on older trucks, work vehicles and a long tail of vehicles from the nineties and earlier. They are the cheapest and fastest keys to reproduce because there is nothing to program, only something to cut.

The middle generation is the transponder key. It looks like a normal bladed key with a slightly thicker plastic head, and hidden in that head is a small chip with no battery of its own. When the key enters the ignition, a coil around the lock cylinder energises the chip, the chip answers with a code, and the immobiliser decides whether to allow the engine to run. Cut the blade correctly and the key will turn the cylinder, but if the chip is not registered, the engine either refuses to start or starts and immediately dies. That is the classic symptom of a key that has been cut but not programmed, and it is the reason a hardware store duplicate so often disappoints.

The newest generation is the proximity smart key, sometimes called a fob or a push to start key. There is no blade to insert. The vehicle senses the key inside or near the cabin, and a button starts the engine. These carry a battery, a rolling code, and a security relationship with the car that has to be established through the diagnostic port. Nearly all of them hide a narrow mechanical emergency blade inside the shell, released by a small catch, and that blade fits the driver door lock for the day the fob battery dies.

On any street in the Houston metro you will find all three generations parked within a few houses of each other. They are not interchangeable, and the equipment that handles one does not necessarily handle the next.

What all keys lost actually changes

Losing every key is not simply the same job twice. With no working key present, the vehicle has no trusted reference to authorise a new one. Depending on the manufacturer and the model year, the route may involve reading the immobiliser data directly, obtaining a security code tied to the VIN, or entering a manufacturer security access mode that deliberately holds the vehicle in a waiting state before it will accept the change. That waiting period exists to make theft impractical, and it applies to a technician exactly as it applies to anyone else.

Knowing in advance that this is an all keys lost job changes the tooling, the time set aside and the quote. It is the single most important thing to say clearly on the phone.

Aftermarket and original equipment keys

There is more than one source for a key blank, and the choice is worth understanding rather than leaving to chance. Original equipment keys come from the manufacturer supply chain and match the part the vehicle left the factory with. High quality aftermarket keys are produced to the same specification by established suppliers and perform identically on most platforms at a lower cost. There is also a tier of very cheap shells and blanks sold online that look correct, program inconsistently, and fail early in a hot climate.

Houston is hard on plastics and electronics. A fob that spends summer afternoons on a dashboard, or lives in a pocket through August humidity, is asked to survive conditions that a milder climate never imposes. That matters when choosing what goes into a key that has to last years, and it is the main reason the cheapest available shell is rarely the cheapest outcome.

A fob that has stopped working is one of the few automotive faults where the cause can be anything from a two dollar battery to a failed module, and where the symptoms overlap almost completely. Working through the causes in order is what separates a quick fix from an unnecessary replacement.

Start with the battery, because most of the time that is the answer

Coin cell batteries in fobs fade rather than fail cleanly. The first sign is reduced range: the doors still unlock, but only from a few feet away rather than across a parking lot. Then the fob works only when pointed directly at the vehicle. Then it works intermittently. A fob left in a hot car all summer will show this sooner than one that lives indoors, because heat shortens the life of the cell.

If replacing the battery restores normal range, the job is finished. If it does not, the next questions are about which functions still work and which do not, and that is where the diagnosis gets useful.

Which buttons still do something

If lock and unlock still work but the vehicle will not start with the fob present, the remote radio side is alive and the immobiliser side is the problem. If nothing on the fob responds but a spare fob works normally, the fault is in the fob. If no fob works but the vehicle starts with the emergency blade and the start button pressed against the column, the receiver or its power supply is the suspect rather than either fob.

These distinctions cost nothing to make and they narrow the job substantially before anyone opens a toolbox.

Programming, pairing and cloning are different things

The words get used loosely and they mean different operations. Programming registers a new key or fob with the vehicle through the diagnostic port, writing it into the list of keys the immobiliser will accept. Cloning copies the identity of an existing working key onto a new chip so the vehicle believes it is seeing the original. Pairing generally refers to the remote functions rather than the engine immobiliser. Some vehicles permit an onboard procedure with no equipment at all, done from the driver seat with a working key. Many do not, and forcing the wrong procedure on a vehicle that does not support it wastes time at best.

The limit worth knowing

Most vehicles will only hold a fixed number of keys in memory, commonly four to eight depending on the platform. A vehicle that has passed through several owners may already be near that limit, with keys registered that nobody alive has seen in years. Clearing the list and reprogramming only the keys actually in hand is a worthwhile piece of housekeeping on a used purchase, and it is the only way to be certain that a key you do not hold cannot start your car.

An ignition that has started misbehaving almost always gave warning first. The key needed jiggling. It went in stiffly. It worked in the door but not the barrel, or the other way round. It worked on the way out in the morning and not on the way back. Those are not quirks. They are a lock cylinder telling you which part has worn.

The key or the cylinder

The first question is which of the two has worn, because they wear against each other. A key that has been the only key for a decade has rounded shoulders and shallow cuts that no longer lift the wafers to the correct heights. A cylinder that has turned tens of thousands of times has wafers and springs that no longer sit where they should. The fastest diagnostic is a freshly cut key made to the vehicle code rather than copied from the worn one. If a correctly cut key turns smoothly, the key was the problem and the cylinder is fine. If the new key behaves exactly like the old one, the cylinder is the problem.

Cutting a key to the manufacturer code rather than copying the old one is the important part. Copying a worn key reproduces the wear.

When the key will not enter at all

A key that will not go into the ignition is usually blocked by one of three things. Debris or a broken fragment inside the keyway. A bent or damaged blade. Or a wafer that has dropped out of position inside the cylinder. None of these improve with force, and forcing a bent blade is how a blade snaps off flush with the face of the lock, which turns a small job into a larger one.

When the key enters but will not turn

If the key goes in fully and refuses to rotate, the steering column lock is the first suspect and the easiest to rule out. A front wheel resting against a curb, or turned hard in either direction, puts load on the column lock pin and the pin binds. Rocking the wheel gently left and right while applying light turning pressure to the key releases it in most cases. On an automatic transmission, the shifter must be fully in park, and a shifter that has settled slightly out of detent will hold the ignition locked.

If none of that frees it, the cylinder itself is the likely cause.

When everything turns but nothing happens

A cylinder that rotates freely through all positions with no response from the vehicle points at the electrical switch behind the lock rather than the lock itself. On many vehicles these are two separate components, and replacing the whole assembly when only the switch has failed is more work and more cost than the fault requires.

The security light is telling you something

If the engine turns over and then shuts down within a couple of seconds, and the security or immobiliser lamp is lit or flashing, the mechanical side is working perfectly and the problem is that the vehicle does not accept the key. That is not an ignition repair. That is a key or immobiliser issue, and it is a good example of why the symptom matters more than the guess.

Houston is a metro measured in tens of miles rather than blocks. The distance between a household in Magnolia and the franchise dealership that sold the vehicle parked in its driveway can be most of an hour in traffic, and that assumes the vehicle can move. When the key is gone, it cannot, and the traditional route becomes a flatbed, a service queue, and a bill that stacks the tow, the part, the programming labour and the shop time on top of each other.

Mobile service removes the tow from that sequence. The van carries blanks, cutting equipment and the diagnostic tools that communicate with the immobiliser, and the work happens where the vehicle already is. That holds whether the car is in a driveway, a workplace lot, a hospital garage, a shopping centre deck or on a feeder road at night.

What helps on the phone

Four things, and they take under a minute to gather. The year, make and model. Whether any key still works. The VIN if the vehicle is in front of you. And the address with enough detail to find the car once the van is on site, which in a large complex means the building, the level and the section rather than the street name alone.

If the key broke, say where it broke and whether any part of it is still in the lock. If the fob stopped working, say which buttons still do something. If the ignition is the issue, describe exactly what the key does and does not do, and mention which warning lamps are lit. Every one of those details narrows the job before anyone arrives.

What happens on site

The vehicle is identified and the key system confirmed. Ownership is confirmed, which is a normal and necessary step for any key work and protects the vehicle you are standing next to. The blank is cut to the vehicle code. The key is registered to the immobiliser through the diagnostic port or through an onboard procedure where the platform supports it. Then everything gets tested: engine start, door locks, remote functions, trunk release and panic where fitted, and the emergency blade if the key carries one.

Where a dealer is still the right answer

There are cases where the honest answer is that this belongs at a franchise service department. A small number of platforms restrict key generation to the manufacturer network. Some vehicles under warranty are better served through the dealer for reasons that have nothing to do with the key. A vehicle with a failed body control module or a damaged immobiliser needs a repair rather than a key. Saying so up front costs a job and saves a customer a wasted afternoon, and we would rather do that than the reverse.

After the job, get a spare

The most expensive key anyone buys is the second one cut under pressure at night on the side of a road. A vehicle with two working keys never has an all keys lost event, and the cost of adding a spare while a working key exists is consistently lower than the cost of replacing every key later. Keep the spare somewhere that is not the same handbag, pocket or console as the daily key, because two keys travelling together are one key for practical purposes.