Select Settings:

Select Filters:

Select OK:

The summary display of changing the filters opens:

Select Edit:

Select Right arrow.

The Filter replacement display 2/2 opens:

Use the Plus and Minus buttons to set the desired reminder interval in months in the Reminder interval field. The interval value can be between 1 and 12 months. The factory setting is 4 months.

Select OK:

The filter replacement reminder interval is now set.