What happens next?

How to fight a red light ticket in california
Read the citation carefully.
If your vehicle triggers a red-light camera, a citation will be mailed to your address within 15 days of the incident. This citation provides information about the incident as well as instructions on how to pay the fine or contest the ticket.
Check the date and time of the incident, and review your own schedule. This can help you place the incident and figure out if you were driving your car.