OK...so my 6 runs excellent. got 178k and change, and runs excellent. i live in rhode island, which can get pretty cold in the winter. a few days ago, the first REALLY cold day of the year, i was driving to work*about 15-20 minute drive on the highway, normally around 75-80 mph) and the litle waterpump(?) light ame on in my dash. its the light thats in the tachometer area, just under it. its orange when lit. first off...this IS the waterpump light correct? and if so, what should i check out? it now does it everyday on my way to work and back, ad if im driving for 10 mins or more, and never when i first start my car, only when it reahes operating temp. so...PLEASE tell me whats goin on, as i love my car and dont want to keep driving it if im doin somethng bad.