A transimpedance amplifier with integrated filtering. It is then determined, based on the received vibration information and expected propagation of vibration along the steering wheel, whether a user has caused vibration to the steering wheel and at which section of the steering wheel the vibration is caused. When the privacy compartment is closed, the cover at least partially conceals the privacy compartment within the deck. The present invention is available for other applications as well. When in the folded position, the platform folds into the lower frame, which folds into the middle frame.