My A/C filter was changed about 6 months ago and should still be completely fine considering there has been no dust or dirt in the air and no AC has been used since it's below 0 Farenheit almost everyday here in the winter. I called Lexus of Edmonton and they told me to reset it on the Navigation screen by going into maintenance. It still prompts me to change it everytime I start the car though. Can it be reset? Much like the "change oil" prompt that comes up every 3000 miles even if you are using a 10K synthetic oil?

Please advise.

Thanks.

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