I just went thru this 2 weeks ago. I generally do my own repairs but this one looked liked trouble. So I nervously drove it to an local shop with only front brakes and I was happy to get it fixed for only $160. Well worth it. All he did was splice in a new section of tubing, probably about...
On the online scheduled maintenance guide at 5000 intervals it says:
Note: If 0W-20 oil WAS NOT used at the last oil change, replace engine oil and oil filter.
So if you use 0W-20 you can go 10000 between oil changes