need big time help! I have a 00 jetta glx and in between the speedometer & the tachometer it reads the current temperature outside. well its been reading some crazy numbers lately, like way below the actual temp. when it hits the 30s & below my ac stops blowing cold air. its driving me crazy! does ne1 know what the deal is? Are those readings from the thermostat? may be its gone bad? help please!!