1. Remove the temperature and fan control knobs.
2. Remove the heater control panel cover.
3. To remove a guard of the block of devices.
4. Remove the center air outlet.
5. Unscrew the 4 screws securing the button block and gently pull it out. Disconnect switch wires.
6. If desired, the fan switch can be removed separately, unscrew the mounting bolts and remove the switch.
7. If the temperature control lever needs to be removed, remove the radio first. Disconnect the air mixer cable in the heater box (not on the lever) and remove the block.
For installation:
8. Assemble and install individual components (fan switch or temperature control cable) if they were broken.
9. Connect the wiring harness and install the button control unit. Screw on and tighten the fixing screws.
10. Install the center air outlet
11. Install the dashboard shield.
12. Close the cover on the control panel; install control knobs.