CA AB410

Makes it a misdemeanor crime to actively participate in or aid and abet a motor vehicle sideshow, defined as an event where 2+ persons block traffic or access private property to perform vehicle stunts, speed contests, exhibitions of speed, or reckless driving for spectators, with penalties of up to 90 days imprisonment and fines between $355-$1,000.

Second or subsequent convictions within a five-year period are punishable by up to 6 months imprisonment and fines between $500-$1,000 as a misdemeanor.

Violations that proximately cause bodily injury to persons other than the driver are punishable as a misdemeanor with up to 6 months imprisonment; second or subsequent convictions within five years for injury violations can be charged as either a misdemeanor or felony.

Authorizes peace officers to seize vehicles used as instrumentalities in sideshows based on a magistrate's warrant, with impoundment periods not exceeding 30 days and provisions for poststorage hearings to challenge the validity of seizure.

Makes it a misdemeanor with a $2,000 fine for legal owners who release impounded vehicles to registered owners prior to expiration of the 30-day impoundment period, with limited exceptions for stolen vehicles, bailment situations, or when the registered owner was not the violator.