If your car’s security light is on, there may be a problem with the anti-theft system—especially if you’re not able to turn the car on!
We’ve probably all been there: you’re driving merrily along and you notice a light you’ve never seen before on your dashboard. You’re sure that light wasn’t on yesterday—but you’re not sure what it means. Is it time to panic? Is your car about to explode, or is this one of those dashboard lights you can ignore?
What is the security light on my dashboard?
The security light on your dashboard is an indicator for the car’s anti-theft system. It serves two main purposes:
What does the security light look like?
What does the security light mean?
If the security light is illuminated or flashing when the car is off and you have no trouble starting the car, don’t worry! That’s just your car’s way of assuring you that your anti-theft system is working.
If the security light stays lit when the engine is running, or if the security light is on and you can’t start the car, there’s a problem with your anti-theft system. Here are a few possible causes:
In short, an illuminated security light means that your car doesn’t trust the key you’re using to start the car. In theory, the immobilizer security system could be triggered by an attempted theft, but it’s more commonly a result of a battery problem.
How to turn off your dashboard security light
If your security light is on and you can’t turn the car on, start by trying another key. In most cases, the security light means that the car no longer recognizes the key you’re using, so you may be able to bypass the problem by using a different key.
If a second key doesn’t fix the issue and the light is still on, call a trusted mechanic to help you identify the issue and reprogram the anti-theft system.
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