Here are a few more:
Remember the good managers, learn from them and implement what they did well. Remember the bad managers, and avoid their management style like the plague!
Know when to speak up. If you know that what the team is about to do is the wrong thing, make your feelings understood and make a case for why it should be done a different way.
Do not step on anyone as you climb the ladder, because they will not forget it and give it back to you tenfold on your way back down.
Will