Go directly to each other with issues - in person.
Give each other the benefit of the doubt.
Keep the overall team/organizational focus in mind when making decisions. Get rid of the ego.
Work on the most important things first.
Acknowledge your progress. Be aware of what's slowing you down.
Recognize that there may be more than one way to accomplish something. Be open.
Enough planning and talk. Start moving. Then adjust.
What should your team focus on that no other team can?
Culture is...all of the things you no longer observe after you have been working for an organization for several months.
Focus on people first.