yer Pruitt much? with the fuel, White tell the light cums on as it is dun by a senser in the tank then just put the needle on at just be for nothing the temp... let it tick over for a bit like 20min or so ? or tack it a drive tor 15min then let it sit for a min so it is running at normal operating temper then fire it on in the middle of the scales. its not a Prussian instrument anyway, if it goes up its not right lol as for the speed you need to set it to a point wear it will rest at 0 then i got it to sit at 60mph on the sat nav and 60 on the dials that way its spot on wear you need it the rev gage needs putting on at the right point to, you can mack a note of wear it sits on idal then put it back on? or you can set up an external taco and set it to that or you can fire it on and hope for the best lol i wood go with the mack a note one thow!! i wood not advise moving the speed with you fingers or eney of them for that as there is a spring in them and this can get F***ED form moving it the wrong way from what it is meant to!! hope this helps out els just ask