Hi all - new to the forum but asking if anyone out there can help with a couple of tech questions relating to my 1996 V6 Vectra, first of all I get a coolant level warning come on once the engine has warmed up (thermostat open?) although the level in the expansion tank is fine. I beleave the sensor only works once this has happened so I'm guessing the sensor has gone down, can anyone confirm this and give me an idea of where the sensor is located and how difficult it is to change? Secondly the digital odometer/trip meter display has stopped 'displaying' is there a seperate fuse for this or would it be all part of the logic board? Many thanks to anyone if they can help.