Finding satellites can be a major pain sometimes, and the signal can drop while you're driving (see video), which could be a major headache if you're on a trip and you really don't know where you're going.
Small wonder that the bid is still awaiting formal approval six months later a potential early headache for Mr Fazio's successor, Mario Draghi (see article).
Most expect a rise in American interest rates by next year: a sharp one might be aheadache for Brazil, unless its recovery gathers pace and its political tensions subside (see article).