Remove the passenger's dashboard trim.

Remove the center console panel.

Remove the driver's center console trim and passenger's center console trim.

Remove the self-tapping screws. Disconnect the connectors (A), then remove the heater control unit (B).

If necessary, replace the bulbs (A).

Install the control unit in the reverse order of removal. After installation, operate the various functions to make sure they work properly.

Run the self-diagnostic function to confirm that there are no problems in the system.