I have an 2007 XC90 with the same problem.. darn thing works on and off... its usually "on" when I bring it to the dealership- its like they think I have nothing better to do than make these things up. have you ever gotten your's "officially" fixed? although your velcro idea sounds good...

Holy Smokes! I hope someone can tell me I'm not getting (excuse me) screwed...
For the past 2 weeks, my "Brake Failure Stop Safely" light went one when I started the car, but would turn off after a few minutes. This weekend the ABS skid off light and DSTC OFF light has been taking turns going off ...