Automotive Locksmith Key Programming
Modern vehicles require some form of key programming. Depending on the car's maker and model, the procedure can be as easy as onboard programming using an extra working key or as complex as OBD2 or EEPROM programming.
The majority of US and Asian automakers share their programming protocol with auto tool makers, which means they can design tools or hardware for automotive locksmiths.
Transponder Chips
Transponder chips are in a lot of modern cars to guard against theft of vehicles. These are tiny computer microchips which emit radio signals of low-level. The microchips have a unique serial number which authenticates your key whenever you insert it into the ignition barrel. If your vehicle doesn't recognize the signal, the engine will be shut down. This technology has proven to be an immense success in stopping auto theft. This technology has also helped car owners save a huge amount of money as they do not have to replace their vehicles.
The fundamental idea behind the transponder system is to make it difficult for thieves to get into your car without a key. In the past, car thieves used an ordinary screwdriver to force the ignition switch of your car to go into "on" mode or even hot-wire it to get around the system. Transponder chips have drastically decreased the likelihood of theft.
When you insert the transponder keys in the ignition, the signal is picked up by an antenna that is concealed around the barrel. The antenna is programmed to detect the particular frequency of the chip inside the key. The car's computer onboard will recognize that the key is legitimate and allow the fuel to flow, then power up the starter, or even start it.
Some vehicles only recognize a certain type of transponder chips depending on the manufacturer. It is therefore essential that your automotive locksmith is equipped with the correct equipment to program your keys and remotes for your vehicle.
A good automotive locksmith will possess a multi-vehicle programing tool that can be used with different models and brands of cars. This is a far cheaper option than buying specific tools for each model of vehicle. There are also specially-designed key programming devices for automotive that are only suitable for one particular brand of vehicle however, they are less common. The top automotive locksmiths have the tools needed to work on any vehicle. Be sure to choose a reputable firm that has this kind of equipment.
Key FOBs
The key FOBs are programmable transponder chip devices that permit your vehicle to open doors and start the engine using the push of a button. key programmers can also press buttons to activate features such as trunk locks, door locks or fuel flap controls. Some fobs can be controlled with the press of buttons. For instance the "smart key" that allows you summon your car into tight parking spaces, like a Tesla or Genesis GV60.
While some replacement key fobs can be programmed by you using the assistance of a user's manual but you'll usually require an automotive locksmith to have a new one programmed if yours stops working. A professional is better equipped to connect the computer of your vehicle via the OBD port under the steering wheel.
The majority of key fobs are equipped with security features to make it difficult for attackers to duplicate and copy the signals that they transmit. Some key fobs have pseudo-random code generators which generate a different unlock code each time you press the button. This prevents attackers capturing and replaying the unlock signal in order to gain access to your car.
In some cases you can purchase a replacement keyfob from a dealership or another retailer. The locksmith you choose to use will then program it to work with your car. This is because most of the major US and Asian automobile manufacturers have key fob programming protocols with third-party firms that produce the tools auto locksmiths use to programme keys for their customers.
While some aftermarket key fobs are marketed as being compatible with all vehicles, most automotive locksmiths don't recommend using them as they are likely to function poorly or not at all. They recommend buying fobs made specifically for your vehicle to ensure they will work properly and are less prone to issues like interference or incompatibility. This will save you money over time by avoiding costly repairs or replacements for your fobs.
Tool for programming the vehicle manufacturers
Automotive technology has progressed a lot, and today's vehicles require computer technology in order to function. One of the key components of this technology is a transponder chipset that requires to be programmed to the vehicle by a locksmith or dealer/mechanic in order to work. Key fobs with embedded security features that prevent hot-wiring (like in a movie) and the car won't start if it doesn't have the correct key.
Key fobs are more complicated than a traditional mechanical key and that's why you'll usually find them in the hands of an expert professional auto locksmith. The cost of a car key fob varies dependent on the model and type of key, but is generally between $85 and $400. This includes labor costs to program the keyfob as well as any replacement parts.
Car key fobs are more intricate due to the fact that they use an operating system that communicates with the computer onboard of the car. The software blocks access to unauthorized users by only allowing the key to operate only if it's been programmed to that specific car. If you decide to replace your keys, you'll need to program the new key fob into the car for it to work.
The most common method to do this is by using a car key programming tool that is compatible with the brand of the vehicle. This tool allows a locksmith to connect to the OBD port of the vehicle, and then enter the programming mode. The key programming tool can be a handheld device that is inexpensive device or a fancy one that can do many things that go beyond key programming (like reading and cloning EEEPROM files in the ECU).
Some people might attempt to program their keys on their own using these tools. However it's best to leave this task to an expert auto locksmith. If you're not aware of all the details of the various software systems, it's easy to make a mistake and alter settings that could damage the vehicle. It's important to remember that a professional with experience will help you avoid these problems.
On-Board programming
If your car is old enough, it may still come with a key made of metal that you can use to open doors and turn the ignition. Modern cars come with transponders that need to be recognized and accepted by the computer system before it can start. This adds another security measure to prevent thieves from stealing the car and driving away with a stolen vehicle. A licensed locksmith will have the right tools and software to create a key that works with the security system of your vehicle.
The locksmith will require an uncut key that is compatible with the model and make of your vehicle. Once the key is received, your locksmith will link the scanner that is used for programming to the diagnostic port of your car. This will place the car into an exclusive programming mode that allows the locksmith to add a new key into the system.

The key scanner is programmed to communicate with the computer of the vehicle to send an electronic code. The computer will recognize this code and add it to the list of approved key. In some instances the scanner will also delete lost or stolen keys.
You can also program new keys by using the EEPROM. It is more complicated and requires an in-depth understanding of how electronic systems work. This is why it's best left to a professional who has extensive experience working on these types of systems.
Onboard programming is the fastest way for a locksmith to program an entirely new key. It can take less than a minute when everything is executed correctly. If the key isn't in the correct condition or the procedure isn't being followed exactly, the process could take up to half an hour.
There are numerous key programmer scanners that support different models and makes of vehicles. Both the Smart Pro and Autel IM608 Pro are very popular with locksmiths due to their wide selection of vehicle models. However, neither can program every vehicle on the market. Additionally, these devices cost a lot. It is a good idea to purchase a computer that will get regular updates when the manufacturer introduces new technologies. Your computer's programming software will soon become obsolete if you don't do this.