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The Importance of Ignition and Key Replacement The ignition switch is a simple but essential part of your car's start-up system. It channelizes the entire power of your battery into sparks that ignite fuel vapor and begins the engine. As with any complicated system the ignition switch is prone to develop problems over time. It may be necessary to jig it a little to get it functioning. Sometimes it may be necessary to replace the device. What is an Ignition Switch? The ignition switch is one of the most vital components of your vehicle. It lets you switch all the electrical systems that start your car. Despite its importance, it could be misunderstood and could lead to issues with your vehicle. We're here to help you learn the basics of how the ignition switch functions and why it can fail and how you can keep it functioning smoothly. The ignition switch has three principal options: accessory, off, and on. In the off position, your key is removed, but nothing else will be turned on. This will disable all the systems that don't require you to start your engine, including the dome lights and certain 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 start your car, the ignition switch must connect to the circuit that powers the starter motor. The ignition switch needs to unlock your ignition cylinder before it is able to do this. This is accomplished by recognizing the key that was cut, and it's accomplished electronically. The locks and unlock functions within your ignition switch are handled by a small tumbler, which must match a particular cut on your key. The tumbler is a small piece of steel with ramps on both sides. When you insert your keys, it presses against the ramps and triggers the system. The ignition switch is typically an insignificant component that is without notice unless something goes wrong. It's important to replace it immediately if it appears to be failing, since it is the main driver for all of the major systems inside your car. Auto locksmiths with experience are able to replace the ignition switch quickly and easily, restoring your vehicle's function. What is an Ignition Switch Work? If you've ever been frustrated by a car that would not start, there's a high possibility that the ignition switch is at fault. An ignition switch is an electrical switch that completes the circuit that begins your engine. It is part of the key cylinder or ignition button in the latest models. It's a complex system that must function correctly for your vehicle to start and function. The ignition switch is equipped with four positions: accessory, off, on, and Start. The off position stops any power from reaching systems such as your radio or HVAC controls. The accessory position allows for systems that do not require a significant amount of power, for example, dashboard lights and the fuel pump starting. The on position powers the starter and the start position occurs when you turn the engine to start it. Inside your ignition switch is a set of contacts that are closed when you alter the position. These contacts don't have a great deal of current moving through them. Instead they're used to operate relays that make the functions work. They are susceptible to wear and tear as they age. They can also fail due to heat, aging or even heavy key chains. In addition, the ignition switch has an internal mechanical lock that is inside it, which protects your vehicle when it's stationary. It is a safety measure that is intended to prevent your vehicle being stolen. However, it can be affected by malfunctioning internal parts. You might notice that your car takes longer to start than normal, or that it won't start at all. These are all indications that your ignition switch is in need to be replaced. It's important to not ignore this as it's a crucial part of your vehicle that you depend on to get you there you're going. It is recommended to have a professional diagnosis the issue quickly so you don't get into further trouble. How do I replace an Ignition Switch? When you start your car the ignition switch supplies electricity to the charging, starting and ignition systems. Over time, it may become worn down or damaged. This can cause various issues, including difficulties starting your vehicle. To avoid further problems, replace the ignition switch in the event that it is malfunctioning. The procedure to replace an ignition switch can vary based on the year and model of your vehicle. However, in most instances, the procedure is quite simple. To open the ignition switch, you'll need to take off either the dashboard or steering column cover. After you have removed the cover find the ignition switch assembly beneath and carefully pry it away. You will likely need to remove a few screws as well. Then, you'll need to disconnect the electrical wires from the ignition switch. After you have disconnected all electrical connections then you'll be able remove the ignition lock from the ignition switch. You will also need to remove the washers, if equipped. Install the new switch after removing the old switch. Make sure you align the switch with the cylinder that controls the ignition correctly. Once you've done that, you can reconnect all the wires and then test your ignition switch. If everything is working properly, you can reassemble your steering column and any covers or panels that you removed. In the majority of cases, you'll need a new ignition switch key. This is because the old key is likely to have worn down and no longer compatible with the new ignition switch. Some older models can work with the new ignition switch, provided that the key is in good condition. Consult a professional if you are not sure whether you need a new ignition switch or key. A locksmith or dealership service shop will be able tell you for sure. You may also ask your local auto parts shop to send you an alternative key that can work with the new ignition. Do I Need a New Key? If your car is an older model and a standard key you can change the ignition without the need for a new one. However, a lot of modern vehicles come with security systems that are specialized and have more sophisticated electronic designs. A replacement ignition switch must be connected to a brand new key to function correctly. In straight from the source should find out if your warranty or insurance will cover the cost of replacing the key. You should only attempt to change the ignition switch when you have the right tools for the job. You may cause more damage if you attempt to force an ignition key stuck in its lock out rather than hiring an expert locksmith. You could be left with a large repair bill or worse, the vehicle could catch fire If you attempt to do it yourself. If an ignition switch is malfunctioning, the most common issue is that the car will not start. This is usually due to a transponder chip problem or an ignition switch problem. If either one of them is not functioning properly, it could cause the car to have trouble getting started in certain positions or the anti-theft system may activate. In general, if your vehicle won't start, take it to an auto locksmith in your area for an inspection. They will be able to diagnose the problem and recommend the best solution. If they have the equipment and parts, they can also programme your current key to the new ignition or cut an entirely new one for you. If your vehicle is equipped with transponder chips or a smart key (also called a proximity sensor-based key) you will have to take it to the dealer for this type of replacement. They will need to perform an anti-theft relearn process on your vehicle to connect the new key to the vehicle. This can be done at the location of the shop or the parking lot.