I'm betting it's the turn signal / hazard relay. Unfortunately, that's not a lot of fun to change, being on the back side of the fusebox on the left side of the driver's footwell (behind the plastic trim piece).
The thread linked in forbin404's post above shows how to get the fusebox out. Here's what the back side of that fusebox looks like...
The thread linked in forbin404's post above shows how to get the fusebox out. Here's what the back side of that fusebox looks like...
