Patent ID: 7681684

Claim:
An on-vehicle component fixation-release apparatus that releases fixation of on-vehicle components attached to a vehicle body by a fastening member, said on-vehicle component fixation-release apparatus comprising: a dismantling means that enables dismantling of the fastening member or a fastening portion at which the fastening member is mounted, and a determination means that determines whether the dismantling by the dismantling means is allowed in accordance with an input signal that is input from outside the vehicle, wherein: the fastening member or the fastening portion is formed by at least two detachably fixed members that are formed with materials having mutually different expansion coefficients; with a convex insertion portion formed on a member with a relatively small expansion coefficient, and a concave engaging portion that has a predetermined interference with respect to the insertion portion formed on a member with a relatively large expansion coefficient; and the insertion portion fixed to the engagement portion in a state of being inserted therein and interference fitted, and the on-vehicle component fixation-release apparatus further comprising a heating means that, in accordance with a determination result of the determination means, heats the member until fixation between the insertion portion and the engagement portion is released.