VC 23110 makes throwing objects and throwing substances at vehicles either a misdemeanor or a felony offense. To successfully convict you of a misdemeanor, a prosecutor must prove the following: you threw a substance at a motor vehicle or the occupant of a motor vehicle, and you did so while the vehicle was on a public highway or road. Note that for misdemeanor convictions, it is not necessary that a prosecutor show that: you threw a “dangerous” object, or you threw a substance at a moving vehicle. For a felony conviction, a prosecutor must prove the following: you maliciously and willfully threw a substance capable of doing serious bodily injury (such as a rock, brick, or bottle), and you threw the object at a vehicle with the intent to cause great bodily injury/serious bodily harm.