Lexus LFA Owner's Manual page 358

5-2. Steps to take in an emergency
CAUTION
If the engine has to be turned off while driving
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If the engine is turned off, the power assist for the brakes and steering may not
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function, making braking and steering more difficult. Decelerate as much as pos-
sible before turning off the engine.
Never attempt to remove the key, as doing so will lock the steering wheel.
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