Lexus 2014 LX570 Owner's Manual page 341

Sounds and vibrations caused by the Crawl Control system
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A sound may be heard from the engine compartment when the engine is
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started or just after the vehicle begins to move. This sound does not indicate that
a malfunction has occurred in Crawl Control system.
Either of the following conditions may occur when the Crawl Control system is
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operating. None of these are indicators that a malfunction has occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard after the vehicle comes to a stop.
When there is a malfunction in the system
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Warning lights and/or warning messages will turn on. (P. 822, 847)
CAUTION
When using Crawl Control and Turn Assist function
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Do not rely solely on the Crawl Control and Turn Assist function. This function does
not extend the vehicle' s performance limitations. Always thoroughly check the road
conditions, and drive safely.
These conditions may cause the system not to operate properly
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When driving on the following surfaces, the system may not be able to maintain a
fixed low speed, which may result in an accident:
Extremely steep inclines.
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Extremely uneven surfaces.
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Snow-covered roads, or other slippery surfaces.
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NOTICE
When using Turn Assist function
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The Turn Assist function is a function to assist turning performance when driving off
road. The function may be less effective on paved road surfaces.
LX570_OM_OM60L21U_(U)
2-4. Using other driving systems
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