For 1990-2009 cars

### Removal Procedure

1. Remove the heater control assembly from the instrument panel (IP) in order to gain access to the switch. Do not remove the heater control assembly from the vehicle. Refer to Control Assembly Replacement .
2. Release the locking tabs on the heater control unit and remove the blower switch (5).

### Installation Procedure

1. Install the blower switch (5) to the heater control unit.
2. Install the heater control assembly. Refer to Control Assembly Replacement .