Lexus RX 450h 2010 Owner's Manual page 257

2-4. Using other driving systems
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 EPS system
should return to normal within 10 minutes.
CAUTION
The ABS does not operate effectively when
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Tires with inadequate gripping ability are used (such as excessively worn tires on
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a snow covered road).
The vehicle hydroplanes while driving at high speed on a wet or slick road.
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Stopping distance when the ABS is operating will exceed that of normal condi-
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tions
The ABS is not designed to shorten the vehicle' s stopping distance. Always main-
tain a safe distance from the vehicle in front of you in the following situations:
When driving on dirt, gravel or snow-covered roads
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When driving with tire chains
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When driving over bumps in the road
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When driving over roads with potholes or roads with uneven surfaces
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TRAC may not operate effectively when
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Directional control and power may not be achievable while driving on slippery road
surfaces, even if the TRAC system is operating.
Do not drive the vehicle in conditions where stability and power may be lost.
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