Where there is no way to fix an overheating car on the spot, these are information needed to be able to drive an overheating car to a workshop or safe place.
Regardless of climate of a place, removing cooling system thermostat has negative effects on engine & increases running and maintenance cost on the long run.
It is interesting to know how the kick-starter (starter) relay of a car works by tearing it down to see the internal components and also see how they fail.
A cell or more than one cell in a Hybrid car's high voltage pack can get blown due to high electrical resistance and also due to the effect of high temperature.
A cooling system that is contaminated with either engine or transmission oil must be cleaned. Fixing the root cause of oil/coolant mixture is not enough.