Hey guys, I have a question for you.

There is that silly box inside my engine compartment, at the driver's side. From what I've read, it is supposed to be a parked car heater.

Any idea how it works? I've never seen or noticed it working.

i mean, I know that in Greece, temps very seldom go under freezing point, so I am not crazy about it, and how it works, but I want to know, not nice having something in the car and not knowing how it works.

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John Caradimas
2005 X5 3.0lt diesel
Facelift, Sport packet