The police can sometimes search your car without a warrant during a traffic stop, but only under certain circumstances. The police need probable cause to stop you in the first place, but even if the police have probable cause to believe that you committed a traffic infraction, the police can stop you. In the event the police decide that they are going to arrest you, even for a minor traffic violation, the police are authorized to perform a search incident to arrest under the effervescent evidence doctrine. Searches under those circumstances have been upheld. However, the police are often reticent to arrest someone for a traffic infraction and as such, they will require something more, like consent, to search your vehicle. This highlights the importance of remaining respectful and appropriate with police officers during a traffic stop. You will not win na argument with a police officer on the side of the road. Be polite and address your concerns in the courthouse. If you’re in a situation like this, it’s important to remain calm, clearly state your lack of consent if you don’t agree to a search, and consult an attorney afterward to ensure your rights are not violated.