The Importance of Ignition and Key Replacement
The ignition switch is a simple but vital component of your car's start-up system. It converts the full power of your battery into a spark that ignites the vapor of fuel that starts your engine.
As with any complex system the ignition switch may become problematic as time passes. Sometimes, it will require adjustments to make it work. Sometimes it may be necessary to replace the device.
What is an Ignition Switch?
The ignition switch is one of the most important components of your car. It lets you switch all electrical systems on to start your car. Despite its importance, it could be misunderstood, which could result in issues with your vehicle. We'd like to provide the fundamentals of the ignition switch, its function and why it fails and how you can keep yours working smoothly.

There are three main settings in your ignition switch three main positions: off, accessory and on. In the off position, your key will be removed but nothing else turns on. This will disable all systems that do not require the engine's start, such as the dome lights as well as 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 must connect to the circuit that powers the starter motor. To do this the ignition switch must first be able to unlock the ignition cylinder. This is accomplished electronically by acknowledging the key cut.
The locks and unlock functions within your ignition switch are handled by a small tumbler, that must be matched to a specific cut on your key. The tumbler has different ramps on each side and when you insert your key, it pushes the key into these different ramps in order to turn on the system in the most appropriate way.
The ignition switch is a tiny part that goes under the radar until something goes wrong with it. Considering it's responsible for all the major systems that allow your car to function, it's crucial to take care of it and have it replaced whenever you suspect it's not working. Auto locksmiths who are experts are able to repair your ignition switch quickly and easily, restoring your vehicle's function.
What is an Ignition Switch Work?
If you've ever felt frustrated by a car that won't start, there's a high chance that the ignition switch could be to blame. An ignition switch is an electrical switch that completes the circuit that starts your engine. It's part of the key cylinder in your vehicle, or as the ignition button on newer automobiles. It's a complicated system that must function correctly to allow your vehicle to start and function properly.
There are four positions that your ignition switch can be in off, accessory, on and start. car ignition key replacement stops any energy from being transmitted to systems like your radio or HVAC controls. The accessory position is for systems that don't require a significant amount of power, such as dashboard lights as well as the fuel pump priming. The on position powers the starter, and the start position occurs when you turn the engine to start it.
In your ignition switch there are contacts that shut when the position is changed. The contacts don't have a lot of current moving through them. Instead they're used to operate relays that allow the functions to work. They are vulnerable to a lot of wear and tear as time passes. They also can fail due to age, heat or even heavy key chains.
Additionally the ignition switch also has a mechanical lock inside of it, which protects your vehicle while it is in a parking spot. It's a safety precaution designed to stop your vehicle from being stolen. However, it could be impeded by defective internal parts.
If your ignition switch isn't functioning correctly, you may find that it takes longer than usual to start your car, or that the engine doesn't start at all. These are all signs that your ignition switch is in need to be replaced. This is a critical part of your vehicle that you depend on to get where you'd like to travel. It is recommended to contact a professional to diagnose the problem quickly in order to avoid further complications.
How do I change an ignition switch?
The ignition switch provides power to the charging, starting and ignition systems whenever you turn on your vehicle. Over time the ignition switch could wear down or corrode. This could cause a variety of problems that include difficulty getting your car started. If you have a defective ignition switch, you should replace it immediately to avoid further issues.
The procedure for replacing an ignition switch varies depending on the model and year of your vehicle. In most cases, the procedure is fairly straightforward. The first step is to take off the dashboard or steering column cover in order to access the ignition switch. After you've removed the steering column or dashboard cover, locate and then carefully pry away the ignition switch assembly. You will likely need to remove a few screws as well. You will then need to disconnect the switch's wires. Once you have removed all electrical connections, you will be able to disconnect the ignition lock from the ignition switch. You will also need to remove the washers should they be fitted.
Once you have removed the ignition switch and cylinder, you'll have to install the new switch. Be sure to align the switch with the ignition cylinder in a proper way. After you have completed this, you are able to reconnect the wire and test the ignition switch. If everything is working properly then you can reassemble your steering column and any covers or panels you removed.
In most cases you will require a new ignition switch key. The key you have is likely to be worn out and incompatible with the new switch. However, certain older models of vehicles will be capable of using the current key with the new ignition switch, as long as the key is in good condition. Talk to a professional if are not sure whether you require a replacement ignition switch or key. A locksmith or dealership service shop should be able to tell you for certain. You may also ask your local auto parts shop to provide you the new key that will work with the new ignition.
Do I need to purchase a new key?
If your car has an older model and a standard key you can change the ignition without having to purchase an entirely new key. However, many modern cars have specialised security systems and utilize more sophisticated electronic designs. A replacement ignition switch must be connected to a brand new key to function properly. In this case, you should check to find out if your warranty or insurance will cover the cost of the replacement key.
Do not attempt to replace an ignition switch using the correct tools. It is extremely easy to cause more harm by trying to force the stuck ignition or key out of its lock than by simply getting a professional locksmith to do the job. You could end up with a large repair bill or worse, a fire in your vehicle when you attempt to do it yourself.
The most common problem when an ignition switch breaks is that your car won't start. This is typically caused by a problem with the transponder chip or ignition switch itself. If one or the other is not working properly, the car may have trouble starting in certain positions. Also, the anti-theft system could be activated.
In general, if your vehicle will not start you should go to an auto locksmith in your area to have an inspection. They'll be able to identify the issue and suggest the most efficient solution. If they have the right equipment and parts, they can also program your existing key to work with the new ignition or cut an entirely new one for you.
If your vehicle has transponder chips or a smart key (also called a proximity sensor-based key) you will have to take it to the dealership to get this kind of replacement. The dealer will need to perform a relearning procedure to match the new key with the vehicle. This can be done in the shop or in the parking lot.