Where can I find the Cabin Filter on my 1998 Volvo S90?

On a 1998 Volvo S90, the cabin air filter is located behind the glove compartment. To access it, you will need to remove the glove box by unscrewing the screws that hold it in place. Once the glove box is out, you should see the filter compartment, which can be opened to replace the filter. Make sure to check your owner's manual for any specific instructions related to your model.