Disconnect the negative (-) battery terminal.
Recover the refrigerant with a recover/recycling/charging station.
When the engine is cool, drain the engine coolant from the radiator.
Remove the rear luggage side trim.
(Refer to Body - "Interior Trim")
Remove the blower motor (B) after disconnecting the blower motor connector (A) and loosening the mounting screws.
Install in the reverse order of removal.