Does anyone has step by step instruction on how to remove and change the multi switch function for headlights, turn signal, etc. My passenger highbeam would stay on while the engine is off. As of now I took off the bulbs and I'm driving with no high beam.

 

You need to do an input test to be sure it's the multi-function switch. Should be able to get a service manual on disc or download for super cheap on eBay. Or you can get a paper copy for around $50 here: Honda 2008-2012 Accord L4 Service Manual (KA) - Helm Incorporated At the very least you need to test the high-beam relay to be sure it's not stuck.

----------------
I don't know your specific model but, they're all similar and very easy:

1. Adjust the steering column all the way up
2. Remove the 2-3 phillips head screws holding the bottom plastic cover to the column
3. Adjust the column down
4. Pop the top and bottom plastic covers apart and remove
5. Disconnect the multi-function switch electrical connector
6. Remove the 2 phillips head screws holding the switch to the cloumn

 

it's a 2012 Honda Accord SE (Special Edition). I was thinking it could be the highbeam stuck relay but I been having trouble locating it. There's 3 fuses boxes: under the hood, driver, and passenger side. Some folks said its under the hood but I can't tell which is it from looking at the manual.