Sometimes my door locks stick in the locked position. I can only open the door by using the key in the drivers door and still the passenger door and center compartment remain locked. You can't open the door from inside with the handle and the lock/unlock button on the console will lock but not unlock the doors. After a while, 10 minutes to an hour, it starts working again. It sounds like something in the lock mechanism is sticking and finally releases. Anyone else had this problem? Is an expensive fix?<img src="http://members.roadfly.com/mikmor/Z4thumb.jpg">