For 1990-2009 cars

### Removal Procedure

1. Open the instrument panel compartment. Push in on each side and lower the IP compartment door.
2. Remove the filter cover.
3. Remove the upper filter and then the lower filter.

### Installation Procedure

1. Install the lower and upper filters. Install the filters with the arrow toward the heater core.
2. Install the filter cover.
3. Close the IP compartment door.