today my DIS readout dropped to -7C on the way to work (which was worrying) a mile or so later it was reading +16C so I guess the sensor or sensors are faulty... wouldnt really be a problem except it is effecting the climate control - having it set to 22C tonight on the way home it was blowing cold air because it thought the temp outside was +16C - it definately wasnt +16C ! Anyone know which sensor (s) to check or should i take it to the dealer ?