I would not panic for now...... But maybe in 5 minutes or so..
Seriously Monzta, you can't ignore it if it's coming on more. Probably means one of your sensors, or more than one, is sending "funny" signals. Or broken.
Like Phil says, do the blue wire thingy. Full instructions here:
http://www.subaru-svx.net/photos/user.php?How-To|14264
under the first file on code instructions.
Read the two pages, you can easily do it yourself without waiting on your mechanic.
Joe
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