"To contest the ticket" means to formally challenge or dispute the validity or legality of a ticket, often related to a fine or penalty, by presenting your arguments or evidence to the authorities involved. Full definition
You have the right to plead not guilty and contest your ticket in court. (texasdrivingschool.com)
In order to be eligible for point removal after completion of a defensive driving course, you must first contest your ticket by mail or in person. (dmv.org)
Many people think they can not contest a ticket based on a camera, but such tickets are often easy to beat. (myimprov.com)