I wouldn't worry about it too much. I would do at least 100 miles before your trip to make sure there are no issues, new cars sometimes have minor things you don't want to discover away from home.There's countless threads about this already. You can either baby the engine like in the manual, or drive it very hard. You can find many articles and threads telling the pros and cons for each method. Either way seems to be fine. I prefer the hard break in, but only because of positive results and advice from engine builders. There's a lot of discussions about this, ignore the ones not related to modern engines that come with Synthetic oil from the factory. Enjoy your new car!