Have a safe trip!
Also, might be a good chance for a long-run test of premium vs. regular.
My Ti seems to prefer 93 octane for all-highway runs. I've got as high as 45.0 over nearly 500 miles cruising at 65 MPH. Doesn't seem to help when it's mixed city/hwy but I have seen a difference with premium on all-highway.
2012 Focus Ti Hatch | Ingot Silver | 401A, Nav, Winter Pkg, Moon Roof, Parking Tech. Pkg
Build Date: 12/2/2011 | New APIM: 4/4/2012
MFT: Factory v2.11, 3/14/12 Web -> v3.0.2, 9/24/12 Web -> v3.2.2, 1/24/13 Web -> v3.5.1, 8/13/13 Web -> v3.6