How to Program a Car Key
Modern cars have more than a key that will start the engine. They also have a remote control that allows you to lock or unlock doors. These key fobs must be programmed to work.
It is possible to pre-program certain keys for cars by the owner, but it is advised to consult a professional. This will avoid any damage to the computer system of the car and will ensure that the key is working correctly.
How do you program the key
Before the turn of the 21st century the majority of cars utilized basic key systems. Keys were made of metal and featured grooves that correspond with the internal parts of the ignition cylinder. As technology advanced the number of car manufacturers began to combine electronic and physical protocols to avoid theft. These key systems are called transponder keys or chip keys, and they're designed to make it more difficult for thieves to open the vehicle.
The key chips contain an unique serial number that sends a message to the receiver inside your car. When the signal is received it compares it with a code stored in the car's computer. If the codes match, then the car will start. If the codes don't match, your car won't even start. This is the reason you should keep an extra car key especially if the system is transponder-based.
You'll require specialized equipment to be able to program keys. You'll need a blank key that is compatible with your car model and make. You can purchase them from an auto locksmith or a locksmith dealership, but it's important to buy the right one. If you use a key for another model, it will not function.
To begin the process, insert the new key into the ignition and turn it to the "on" position. It is necessary to leave the new key in this position for around 10 minutes and 30 second. Once the time has expired you can take off your key and check if the security indicator on your dashboard has gone out. If it did not, you will need to do it three times.
This method is only compatible with GM vehicles and isn't completely secure. If you want a more secure and reliable option go to a locksmith or dealer to get your car programmed using an embedded chip. They are equipped with the tools and equipment required to connect to the onboard diagnostics port in your car and perform the change.
Keyless Entry Systems
Keyless entry systems provide access to your property without the need for a physical credential. They use a combination of sensors and an onboard computer to offer security. It is possible to manage and monitor the system from anywhere in the property. Keys and locks are not required. The system is also able to detect stolen or lost cards and disable them. The newest models also allow remote management and configuration, and are cloud-based.
Most modern cars come equipped with an entry system that is keyless. The system works by emitting radio signals which are picked up using the keyfob. The signals are compared with the code stored in the car's computer and if everything is well the car will start to unlock. The car won't start if the signals are not the same. If your key fob has not been already programmed, you can follow several steps to program it.
First, you'll need to make sure that all doors excluding the driver's door are locked. You'll need the original key fob as well as any extras that you want to program. You can also visit your local auto parts store because they might have the right tool to program your vehicle. If these steps don't work, you'll need consult the owner's manual or an expert locksmith.
Once you've got the proper tool, follow the manufacturer's instructions to begin reprogramming your key fob. This procedure is usually quick and simple. For example, you might be instructed to insert your new key into the ignition with all doors shut and then press a button on the key fob within a short time frame. The car may respond by cycling doors or emitting an audible sound as an indication that the key has been successfully programmed.
Many locksmiths have special tools that allow them to bypass the built-in EEPROM security on the key fob of your car or remote. However this is an extremely risky option and could lead to the possibility of corrupting the data on the computer in your car. It is recommended to have a professional handle this because they will be able to lower the chance of data corruption and also ensure your keys are properly programmed.
Transponder Keys
Transponder keys, also referred to as chip keys, come with an embedded microchip in the head of the key. The antenna ring transmits electromagnetic energy to the transponder when the key is placed in the barrel of the ignition lock. The chip absorbs this energy and then sends a radio frequency signal which contains an identification number. This code matches the unique serial numbers of the computer system of the car. This helps prevent unauthorized attempts to start the car, since only the right key will be able to do so.
This technology is thought to be more secure than a conventional car key since it makes it more difficult for thieves to "hot wire" the vehicle and then start it. It's not foolproof and thieves have discovered ways to evade detection and defeat the system. So even cars with transponder key are not safe from theft.
You could be able to program a transponder key yourself with a key programmer compatible with your car. The key programmer should come with an instruction manual that will walk you through the process of programming your key. Once you have your key and a key programmer, follow the directions carefully and ensure the security light on your dashboard is turned ON before turning your engine ON.
You can seek out a professional locksmith to help you if you are not confident using the key programmer or you own a vehicle with more advanced features, such as remote head keys or intelligent keys. They'll have the appropriate tools and equipment to cut your blank key, erase your old one from the computer in the car and then program the new key to ensure that it works properly. This will save you time and money, and will help keep your car's security system functioning just as it should. It is also safer than doing it yourself. If you use the incorrect key programming software or follow unofficial guides or instructions, the information stored in your car's computer could be damaged and the new key will not function.
Remotes
If your car keys aren't working it could be necessary to reprogram them. It's an easy process for most modern vehicles that use keyfobs. Some models are more complex and require a special programming device, which transponder key programmer is typically available at the dealer or from auto locksmiths.
To reduce vehicle thefts Modern car manufacturers have enhanced the security of their key systems. The key system was designed to avoid hot-wiring (the method of using another vehicle's key to start the engine) and other similar methods. To ensure that this method works you'll require at least two key fobs functioning for your vehicle. This is just one of the reasons why it's best to have at least one spare key in your possession.
The keys have electronic chips which communicate with the car's receiver using radio signals. The car's computer then compares this key's code with the one stored in its database. If the codes are the same, the car will start. If the codes don't match, the car will not start or will remain dead. Luckily, most of these electronic keys can be programmed and replaced by a professional auto dealer or a locksmith with the right equipment.
If you can locate a cheap car key programmer online or at an auto parts store, the process will be relatively simple. You'll need to follow a set of steps that include inserting the key into the ignition and turning it on, without running the engine, and then turning off the key. You'll need to repeat this a certain number of times within a certain time frame for your vehicle to enter programming mode. This will be indicated by the door locks cycling or an audible chime.
Some modern cars can only be programmed with the help of a device that is connected to the onboard diagnostics port, or an EEPROM programing procedure. Most of these tools are expensive and are therefore not affordable for the majority of car owners. Most car experts recommend consulting with an experienced auto dealer or locksmith to program your keys.