Toyota 2012 Yaris Hatchback Owner's Manual page 146

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Reactivation of the TRAC system linked to vehicle speed
When only the TRAC system is turned off, the TRAC system will turn on
when vehicle speed increases. However, when both TRAC and VSC sys-
tems are turned off, the systems will not turn on even when vehicle speed
increases.
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Reduced effectiveness of the EPS system
The effectiveness of the EPS system is reduced to prevent the system from
overheating 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 engine
off. The EPS system should return to normal within 10 minutes.
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If the slip indicator comes on...
It may indicate a malfunction in the driving assist systems. Contact your
Toyota dealer.
CAUTION
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The ABS does not operate effectively when
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Tires with inadequate gripping ability are used (such as excessively worn
tires on a snow covered road).
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The vehicle hydroplanes while driving at high speed on the wet or slick
roads.
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Stopping distance when the ABS is operating may exceed than of nor-
mal conditions
The ABS is not designed to shorten the vehicle's stopping distance. Always
maintain a safe distance from the vehicle in front of you in the following situ-
ations:
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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
2-4. Using other driving systems
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