(2) A no contest plea allows the court to find the defendant guilty, but unlike a guilty plea, is not a complete admission of guilt. You can fill out a form online if you want to challenge the ticket - click here to fill out a plea Not Guilty form.A plea of guilty differs in purpose and effect from a mere admission or an extrajudicial confession; it is in itself a conviction. More is not required. The answer, every time, is NO! If you plead guilty or no contest to an OVI charge, you give up all of your rights. If you plead no contest to a crime it can still be used against you as a prior conviction in a subsequent prosecution. In short, a no contest plea cannot be used against a person in civil court while a guilty plea can be. When you plead no contest, you are not admitting guilt but instead accepting that there is sufficient evidence to support a conviction.