1. Remove the center console.
2. Remove the car radio.
3. Loosen the two screws at the bottom of the central duct and remove the duct unit.
4. Disconnect the air mixer cable from the heater.
5. Remove 4 screws securing the control unit; gently push the block forward. Disconnect the wiring connectors and remove the heater control unit.
6. If the fan switch needs to be replaced, remove the control knob and switch from the control box.
For installation:
7. Reassemble all components removed from the control box.
8. Install the control box and tighten the fixing screws.
9. Connect the air mixer cable to the heater body.
10.Install the central air duct.
11.Install the car radio.
12. Install the center console.