This disclosure relates to a fuel or charging port door assembly of a motor vehicle. In particular, this disclosure relates to a fuel or charging port door assembly configured to permit a door to open when an override force is applied using an assist tool, for example. An example vehicle includes a door configured to move relative to a body of the vehicle between open and closed positions. The door is a fuel door or a charging port door. The vehicle also includes a lock assembly including a base and a tip. The base is configured to hold the tip during normal operating conditions, and the base and tip are configured to separate upon application of an override force to the door.