Lexus LS 600h L 2012 Owner's Manual page 315

2-4. Using other driving systems
Conditions affecting VGRS operations
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In the following situations, the center position of the steering wheel may change.
However, the position will return to normal after the conditions are improved.
When the steering wheel has been operated quickly or operated for an
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extended period of time while the vehicle is stopped or is moving very slowly
When the steering wheel has been held fully to the left or right
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When the 12-volt battery is low or the voltage temporarily drops
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After the hybrid system is started at lower than -22°F (-30°C)
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Reduced effectiveness of the EPS system
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The effectiveness of the EPS system is reduced to prevent the system from over-
heating when there is frequent steering input over an extended period of time. The
steering wheel may feel heavy as a result. Should this occur, refrain from excessive
steering input or stop the vehicle and turn the hybrid system off. The system should
return to normal within 10 minutes.
If the slip indicator comes on
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It may indicate a malfunction in the VSC, TRAC and hill start assist control function.
(→P. 505)
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