Sex in a car can lead to real criminal charges, and in some states, sex offender registration. Here's what the law actually says. Having sex in a car can absolutely lead to an arrest, even if no one actually sees what’s happening inside. Engaging in sexual acts while operating a vehicle can lead to various traffic violation citations. State laws don’t specifically make it illegal to engage in sexual acts while driving. However, doing so could result in a number of different charges. Havingsex in a car is not automatically illegal, but you need to be careful about where you are. If there’s a chance someone could see you and be offended, you could face criminal charges. Sex in a car isn’t automatically illegal. But you could face charges if someone spots you doing it in public. This article explains the laws around car sex and covers situations where it is and isn’t considered a crime. There is no criminal law that specifically states that it is per se illegal for people to havesex in a car. However, if two people are performing a sexual act or engaging in sexual conduct in a car that is in a public area, and within public view, then they may be charged with a crime. Can you be charged with indecent exposure for having sex in your car? Yes, having sex in your car can be considered indecent exposure, which is a criminal offense in many states and countries.