First, anything in a chain letter is a spammer trying to obtain e-mail addresses, so don't forward them!

Second, hydroplaning does not cause wheel speed to increase. When traction is lost, the wheels slip and keep turning while the car slows. The drive wheels are turning at exactly the same RPM as before. Because there is slip, you will normally experience a side slip because both wheels do not lose the same amount of traction and you get a sideways force. The largest force to overcome is the initial slip, once that happens it is easier to maintain slippage.

The effect is the same as if you hydroplaned while normal driving, you as a person know to back off if wheels slip, the cruise control does not. Therefore it is possible you could miss your exit.

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