Open carrying in the car? Check your state laws to make sure its legit. Oc in a car in many states without a cpl is considered concealed carry and a crime. Much worse than a ticket. Brandishing laws are different too and sometimes a bit goofy. It may depend on whether your hand was on it and anyone felt threatened. All some jackwad has to do is call 911 and say someone crashed into me, he had a gun when he got out of the car, and i am afraid he is going to shoot me.
Waiting to get the license might be the way to go and keep it concealed ready for if and when you really need it.