I have the same problem with the transmission handle release button not turning loose and locking the key in the ignition.
Mine is a humidity problem. It happens everytime I go to Florida, or we have an extended rainy period. I started carrying an extra key to be able to lock the doors.
I have ...

I just found your sight and realize that I've experienced this same problem to the tune of over $1100 here in Chattanooga, TN. As per advice in this forum, I have filed a complaint with feds, filled out a request to Volvo of NA for a $1,146.68 refund for replacement of a control unit. It will be ...