What happens if I turn my car off at high speed and turn it back on? Can I break something?
In: Other
It’s dangerous, because you’ll “lose” steering control and brake assistance, meaning that the steering wheel will be harder to turn and brake it will hard to push and that with little efficiency.
Putting that aside, when you turn of the engine, nothing out of the ordinary will happen, the engine and transmission are coupled, the engine goes into engine braking and the car will gradually slow down.
Turning on, that’s a different thing and depends on the car, transmission type or how advanced the technology is and what steps the car allows the driver to take when starting the engine,
If by turning on you meant to rotate the key all the way (assuming the car will let you do that), this can mean coupling the electromotor to a flywheel that is already spinning and probably destroying that gear.
If you simply turn the power on, put the gearbox in the correct gear and take your foot lightly off the clutch, normal operation will resume in most cars.
On an automatic transmission, things could differ based on the transmission type and also, depending on how new the car is, on what the car is allowing the driver to do at the starting moment.
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