The multifunction switch is on the steering column. It is the switch that controls the wipers, turn signal and washer fluid. To remove it you must turn your key and take a small screwdriver in the hole under the ignition cylinder to move it. Next you have to get a star screwdriver you must check the size and remove the screws on the column cover under the steering wheel. Remove the bolts and the cover and there is 3 screws that you need to remove, remove them and remove the whole unit. The unit is the arm, and hazard light button on the top of the steering wheel. NOTE: YOU MUST DISCONNECT THE BATTERY BEFORE SERVICING THE SWITCH!!!