Final answer:
Operating a vehicle without consent of the owner is a serious offense and can result in criminal charges and administrative penalties.
Step-by-step explanation:
Operating a vehicle without consent of the owner is a serious offense and is usually considered a crime called unauthorized use of a motor vehicle or joyriding. The penalties for this offense vary depending on the jurisdiction, but they generally involve both criminal charges and administrative penalties. In some cases, the offender may be subject to both fines and imprisonment, and depending on the circumstances, the offense may be classified as a misdemeanor or a felony.