Call a lawyer and try to lay low. If you do have a warrant and are stopped by police, you can be jailed on the spot. Your lawyer can tap online resources to find out if you have any warrants
In most cases the warrant can be quashed or otherwise mitigated by your lawyer, so calling a lawyer will always be the first step to take in this process.
For more information regarding your question, contact a criminal defense lawyer at Perez & Perez Law, PLLC.