How do you know if your car have warranty?

You need to find the in service date of the vehicle, in other Words the date that the first owner purchased the car. you can do this by running a carfax on your cars VIN number or your local DMV may be able to provide you the same information. Once you have that date you can go to edmunds.com com and go the the used vehicle reaserch area and pull up your cars specs, there will be a breakdown of the warranty for you to view.