So I was browsing this site here to figure out where the fuse for the cigarette lighter was since mine had blown out when the whole contraption came lose after 7 years of using it. One under the stereo...etc. I was able to easily remove the console and get to the cigarette lighter, remove it and tighten it back up, or snap it back into place. How it came lose is beyond me.
But I did use this guy’s YouTube video to see how easily it came apart.
The one thing that all the threads I found didn’t have was all the info or exact info in one place. So I'm posting this hoping it helps someone else one day.
First, you will need the following:

1. Needle nose pliers to yank out the old short fuse.
2. 15A Low Profile Mini Fuse, picture below (I made the mistake of buying the wrong small/short fuse first time around, ugh)
3. Light source of some sort. It’s dark up in that little corner.

Fuse box for the 2010 IS 250, (Cigarette) is located on the PASSENGER side. Next to the kick panel.
Stick your head way under there and just look up. Pull the cover off and a bunch of fuses are visible
CIG fuse is second column, second fuse down. BLUE and labeled 15A. See Pics below.

Use those needle nose, and pull it out, replace with new one. Put cover back on and you’re done.

 

Nice write up. One thing is there is a fuse puller in the engine bay. Under the driver side engine cover fuse box location. Which houses the ECU fuse, and ETCS fuse. It should be a small white clip. It will be useful in an emergency situation.

 

Yeah I remember seeing that one there. Your 100% correct, and thanks. I had another fuse puller but it was too thick at the ends to get in between those little fuses. So I assumed the one in the engine bay would be the same. So I didn't bother checking. The needle nose pliers did the trick and made it easy Ill have to check the engine bay one tmrw for the hell of it now.

 

 

Check there is voltage at the end terminals.

 

 

My 2013 is250 just only front is not working but the back cig lighters still working