3rd base gone wrong

Me(23M) and my gf(21F) usually do car makeout’s as we both enjoy it and our relationship is new but yesterday in the heat of the moment, we both went a step further and did third base(oral) but we were not comfortable,worried due to shady area and car is small for it to which we both didn’t enjoy it and the situation got awkward for both of us Now it’s been a day I’m curious as she’s acting bit weird since then How to break the ice ?