To remove the control assembly, first, we should remove the radio/tape player and the heating and A/C control (H-A/C) screws. Then, we should disconnect the H-A/C control electrical connections and remove it. In servicing the H-A/C control indicator bulbs, bracket, or Printed Circuit Board (PCB), press the tabs on the side of the control face to release the H-A/C and slide it out from the bracket. Flattened-bladed tool to twist the H-A/C control and the bulbs at its indicator away in a counterclockwise direction to remove and ultimately, extracting the PCB and ribbon from the H-A/C control. For installation, installation of PCB to the H-A/C control followed by the ribbon, if applicable. Turn the H-A/C control indicator bulbs clockwise using a flat-bladed tool to install them. Sliding the PCB into the slot and snapping H-A/C control face to bracket. Install the H-A/C control and connect the electrical connectors ensuring to install the H-A/C control with screws until fully seated without stripping. Finally, reinstall radio/tape player and program the H-A/C control with scan tool, choose the programming procedure from Air Conditioning Special Functions menu and follow on-screen instruction.