Heat dashlight tripping

Hate to sound stupid but what does the 'heat' sensor light look like?

Regardless, check your coolant and make sure that it is nice and green. Also, say your car is sitting there running, does the thermostat open and the fan cut on? When this happens the top hose going to the thermostat housing should get hot, but it will not get hot until the thermostat opens. So if that hose is not hot, then your thermostat may be sticking shut.

It could also be a sensor or something that may be gunked up a little from coolant sitting ... That happened to my coolant temperature sensor but when that happened, it made my car difficult to crank (for some reason) ...

I dont think we have a heat light . I think we do have a low coolant light though...so maybe a sensor went bad.