Hi I recently purchased a 2004 Titan as my winter vehicle as I live in Northern Ontario. Been pleased with it so far even though I have been a Dodge guy for years. I was a little leary at first but this was in mint shape and couldn't say no. There's just one thing that has been driving me nuts and the previous owner couldn't help me out. There is a small toggle switch and speaker on the lower left side of the dash below the 4wd selector dial. For the life of me I can't figure out what is for. Appears to be factory equipment. Any ideas?