I drive a petrol-powered Renault Grand Scenic III, and it’s not what you’d call overpowered in any way, shape or form. It has a handy display that lets you know when to change up and down, which I thought had to do with how many revs the engine was doing, but I noticed that at comparable speeds, but different inclines, the car wants me to change down when the going gets tough. Which makes sense, but how does it know that it’s struggling? It seems crazy to me that the combustion cycle could be monitored to such a degree.
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The position of the pedal tells it how hard the engine is trying to work. It compares this to the RPM and gets an idea of if you’re speeding up or trying to go uphill.
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