Did I take joking with my girlfriend a bit too far? How can I maker her talk to me again?

Anonymous
So i'm a car guy and love cars. There was a autoshow type of event in my city and it finished yesturday. Through out the week i kept joking around with my girl that cars are more important than her (again this is not true, i was saying it jokingly). So i was going to some mini events and taking pics of some nice car and went to the main show. Me and my girlfriend were walking and i saw 5 lambo's across the street and i let go of her hand to take a pic and ran across the street lol. Another thing i did (again 100% as a joke) was i said "look you beautiful you look", she said "aww thank you", then i said "no, not you... the car". I told her i would be back, well she decided to walk away from me. When we got back to my house she was yelling at me cause i guess it got to her. I made a joke and told her "at least cars don't talk back to me", she got pissed and actually left :(

The worst part was this morning i waiting for her to pick me up cause we always drive each other to school. She was 10 min late, so i just texted her "hurry up you turtle". Then she texted me saying "you can drive yourself today since your love for cars is more important for me, i don't a give a shit if you're late"

I know i was joking about this all week and i might have pushed her buttons but i'm sure she knows i love her more than cars lol. I feel sad that she's not talkting to me cause i known her for more than a year and i never seen her this mad. What can i do? again this was all a joke.
Did I take joking with my girlfriend a bit too far? How can I maker her talk to me again?
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