It sounds like one of two things has happened. Either the security system is engaged which you will be able to tell by a flashing red light on the dash when you are trying to start it. Or you have a starter motor that has gone out.
Here is a guide the will show you how to test the trigger wire with a test light:
https://www.2carpros.com/articles/car-cranks-but-wont-start
If the starter is found to be bad, here is guide that will give you an idea of what you are in for when changing the starter out:
https://www.2carpros.com/articles/how-to-replace-a-starter-motor
You will need to raise the car safely.
https://www.2carpros.com/articles/jack-up-and-lift-your-car-safely
Please let us know what happens.
Cheers, Ken
Thursday, November 9th, 2017 AT 12:03 PM