This is an excellent article that tells you what to do when your car won’t start.
[Curated content from the internet]
So…your car won’t start. Now what? If this has never happened to you then it is likely only a matter of time before it will. You need to know what to do when it happens and the likely causes. I deal with this type of problem all the time and there are usually only a couple of things that cause it. Let’s take a look.
What Does It Mean When Your Car Won’t Start
If your vehicle won’t start then there is a chance that you would just need a jump start, but before you try that you should verify that your “security” light is not flashing. If it is then your problem probably does not have anything to do with the battery or starter, it is most likely because your security system is not letting it start.
If this is the case then you need to read your owners manual to see how to fix this or contact your dealer. Since all makes and models are different there is no universal way to turn off the security system. If the security light is NOT flashing then you need to start checking the other things that can cause a no start.