For 1990-2009 cars

### Removal Procedure

1. Remove the center console trim bezel. Refer to Instrument Panel Center Trim Panel Replacement in Instrument Panel, Gages and Console.
2. Remove the 3 knobs by pulling the knobs away from the HVAC control unit.
3. Remove the 2 screws and pull the HVAC control unit forward.
4. Remove the 2 screws and move the defogger and air inlet control switch to the side.
5. Remove the 2 illumination bulbs.
6. Disconnect the blower speed switch electrical connector.
7. Disconnect the A/C switch electrical connector.
8. Remove the bezel with the A/C switch from the HVAC control unit.
9. Remove the two screws and the blower speed switch from the HVAC control unit.

### Installation Procedure

1. Install the blower speed switch to the HVAC control unit. Secure the blower speed switch with the 2 screws.
2. Install the illumination bulbs.
3. Install the bezel with the A/C switch to the HVAC control unit.
4. Connect the A/C switch electrical connector.
5. Connect the blower speed switch electrical connector.
6. Install the defogger and air inlet control switch. Secure with the 2 screws.
7. Install the HVAC control unit to the instrument panel. Secure with the two screws.
8. Install the 3 knobs.
9. Install the center console trim bezel. Refer to Instrument Panel Center Trim Panel Replacement in Instrument Panel, Gages and Console.