Lexus LX 570 2009 Manual page 264

2-4. Using other driving systems
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 mat occur when the Crawl Control system is
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operating. None of these indicates 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.
CAUTION
When using Crawl Control
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Do not rely overmuch on the Crawl Control. This function does not extend the vehi-
cle' s performance limitations. Always thoroughly check the road conditions, and
drive safely.
Conditions under which the system may not operate correctly
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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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