stange code on odometer

[crosj]

2005 Outback with a little over 30,000 miles. Today I notice that my
speedomter was flashing back and forth from the miles on this tank of gas
and
ILL.6!! Anyone have a clue???
Thanks...

--

 

[MD]

That's illumination, you can adjust the interior illumination knob and it
will change it from 6 all the way to 1.