I have to agree with LB, geez. I just can't call him by his chosen name (!) but I don't think watching your temp guage like a hawk can head off any catastophic engine failures. I'm also not familiar with what the onboard computer monitors, but if red lights and warning bells go off on the dash read-out to make you "consider your remaining range" just because you're down to 63 miles of gas remaining, I would hope it would do at least the same if your over temp, before the engine