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The Importance of Ignition and Key Replacement The ignition switch is an essential component of the start-up system of your vehicle. It's simple, but it's also very vital. It converts the power of the battery in your car into a spark that ignites fuel and then starts your engine. As with any other complicated system, your ignition switch can be affected with time. It might be necessary to adjust it to get it functioning. Sometimes it may be necessary to replace the device. What is an Ignition Switch? The ignition switch is among the most vital components of your car. It lets you switch all the electrical systems that start your car. It is important however it is misunderstood. This can lead to problems with your car. We're here to help understand the basics of how the ignition switch functions and why it can fail and how you can keep it running smoothly. There are three settings on your ignition switch three main positions: off, accessory and on. In the off position, your key will be removed but nothing else is turned on. This disables any system that doesn't require starting your engine like the dome lights and some of the door locks. The accessory position (also known as ACC) lets you use some of your car's non-ignition-controlled systems, like the radio and power windows. To turn on your car the ignition switch needs to connect to the circuit that powers the starter motor. The ignition switch must be able to unlock the ignition cylinder before it is able to do this. This is done by recognizing the key that was cut, and then it's done electronically. The locks and unlock functions within the ignition switch are controlled by a small tumbler that must be matched to a specific cut on your key. The tumbler is a small piece of steel with ramps on both sides. When you insert your key, it presses against the ramps, and then activates the system. The ignition switch is a tiny part that tends to go unnoticed until something goes wrong with it. Considering it's responsible for all the major systems that allow your car to run, it's incredibly important that you take care of it and have it replaced as soon as you think it's failing. Luckily professionals can easily replace the ignition switch and restore your vehicle's functionality to its fullest. What is an Ignition Switch Work? If your car has failed to start, it's likely that the ignition switch was the cause. An ignition switch is a form of electrical switch that completes a circuit to start your engine. It's part of the key cylinder in your vehicle, or as the ignition button on newer automobiles. It's a complex system which needs to work correctly for your vehicle to start and function. The ignition switch is equipped with four positions including accessory, off on and Start. The off position stops any power from reaching systems like your radio or HVAC controls. The accessory position allows for systems that don't require a large amount of power, such as dashboard lights as well as the fuel pump starting. The on position is where you power your starter, and the start position is where you turn your engine over in order to get it started. In your ignition switch there are contacts that close when the position is changed. They do not have a current that is high through them, but they are relays that enable the functions to work. They are susceptible to a great deal of wear and tear over time. They can also fail due to age, heat, or even heavy key chains. The ignition switch also features an electronic locking mechanism that can protect your vehicle when it is in a parking. It's a security feature designed to guard your vehicle from being taken however, it could be hampered by faulty internal components. If your ignition switch isn't functioning correctly, you may find that it takes longer than normal to start your car or that the engine doesn't crank at all. All of these signs indicate that your ignition needs to be replaced. This is a critical part of your vehicle that you rely on to get where you want to travel. It is best to get an expert to pinpoint the problem quickly in order to avoid further problems. How do I replace an ignition switch? The ignition switch provides power to the starting, charging and ignition systems each time you start your vehicle. In time, it could be worn down or corrosion-prone. This can lead to a range of problems with your vehicle, including difficulty starting the engine. If you've got a defective ignition switch, it is recommended to replace it immediately to avoid any more issues. The procedure for changing an ignition switch could vary depending on the model of your vehicle. However, in the majority of cases, the procedure is relatively simple. To access the ignition switch, you'll need to remove the dashboard cover or the steering column cover. After removing the steering column or dashboard cover, locate and then carefully remove the ignition switch assembly. You may also have to take off some screws. You will then need to disconnect the switch's wires. After you have disconnected all electrical connections then you'll be able to disconnect the ignition lock from the ignition switch. Also, you will need to remove the washers, in the event that they are fitted. Install the new switch after removing the old switch. Make sure lost ignition key align the key switch to the ignition cylinder in a proper way. Once you've done this, you can reconnect all the wires and then test your ignition switch. If everything works correctly then you can reassemble your steering column and the covers or panels you removed. In most cases, you'll need to get an additional key when you replace your ignition switch. The old key is likely to be worn out and incompatible with the new ignition switch. Certain older models work with the new ignition switch if the key is in good shape. Get a professional's help if you aren't sure if you require a replacement ignition switch or key. A locksmith or dealership service shop can tell you for sure. You may also ask your local auto parts shop to give you a new key that will work with the new ignition. Do I Need a New Key? If your car is an older model with an ordinary key, can be replaced without the need for the purchase of a new one. However, many modern cars have specialised security systems and use more complex electronic designs. This means that a replacement ignition switch will almost certainly need to be paired with a new key to work properly. In this situation, you should check to see if your car warranty or insurance covers the cost of replacing the key. Make sure you replace the ignition switch using the correct tools. It is extremely easy to cause more harm by trying to force an ignition or key stuck out of its lock than by simply getting an expert locksmith to complete the job. Doing the job yourself could result in expensive repair bills from unrelated problems or, worse, a vehicle fire. When an ignition switch is malfunctioning the most frequent issue is that your car isn't starting. This is typically due to a transponder chip issue or an issue with the ignition switch. If one or the other is not functioning properly, it could cause the car to have problems starting in certain places or the anti-theft system may be activated. If your car isn't starting and you're not sure why, take it to an auto locksmith in the area to have an inspection. They'll be able diagnose the problem and recommend the most effective solution. If they have the right tools and parts on hand they can also cut you a new car key or programme the existing one to the new ignition. If your car has a transponder chip or smart key (also known as a proximity sensor-based key), you will need to bring it to the dealership for this type of replacement. The dealer will need to go through a relearning process to match the new key with the vehicle. This can be accomplished at the shop or on the parking lot.