Quote:
Originally Posted by Klinn
Bio-mechanics. Hands at 9 & 3 lets you rotate the steering wheel slightly more without having to move your hands from the wheel.
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True for racing, and driving safety. Bumps in the road also affect your driving direction less with hands on opposite sides of the wheel. One of my pet peeves is people that drive without their hands on on opposite sides of the wheel for on-ramps, curves, etc. (of course, while cruising straight I usually just have one hand on the bottom of the wheel...
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Quote:
Originally Posted by Draco-REX
Airbags. 10+2 brings the forearms closer to the path of the airbag. 9+3 keep the hands and arm from any possible interference with the airbag's deployment.
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Bingo. This is the 'official' reason, though the above quote is more important for active safety purposes. One hand at the top of the wheel is the most dangerous for airbag purposes.
As for the headrest... I miss the day of easily adjustable ratcheting-type headrests on cars.
-Charlie