Air bag default warning on instrument panel. 2005 nissan armada. dealer says air bags will not work unless an interior harness from airbag/seat weight cushion/computer is replaced. dealer says they have replaced "a bunch" of them on nissan armadas. cost is $459 and air bags won't work until it is replaced. dealer says nissan does not have a safety/warranty campaign on this faulty item. dealer is "douglas nissan" in college station tx. *tr