Asked by user in California.
If you purchased the vehicle (i.e., your name is on the purchase and sale agreement), then the vehicle belongs to you and your ex-boyfriend does not have any rights to the vehicle. If your ex-boyfriend is refusing to return the vehicle that belongs to you, you should (a) file a stolen vehicle report with the police, and (b) tell your insurance company about the situation.
If the police are unable to recover the vehicle, you can file a “replevin” lawsuit to determine the rightful owner of the vehicle. To do so, you can use our free online directory to locate an attorney.