Low fuel and low washer fluid indicaters backwards on 2002 Lexus LS430

when we are low on washer fluid our car beeps and beeps incessantly BUT, when our fuel gets low all we get is an inddicater lite !! We have almost run out of gas, but we are constantly reminds us to refill the washer fluids....we would like to reverse this alert style...any way to do it????

Asked by for the 2002 Lexus LS430