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4-5. Using the driving support systems
When the Crawl Control system is operated continuously
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This may cause the brake actuator to overheat. In this case, the Crawl Control system will
stop operating, a buzzer will sound, the Crawl Control indicator will turn off after flashing
and the "TRC OFF" indicator will come on. In this case, quickly stop the vehicle in a safe
place and give the actuator adequate time to cool off. Refrain from using the system until
the "TRC OFF" indicator turns off. (The vehicle can be driven normally during this time.)
When depressing the accelerator pedal while the Crawl Control is operating
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Multi-terrain Select operates in AUTO mode. (P. 314)
If the automatic transmission system overheats
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The system will cease operation, a buzzer will sound and a warning message will be dis-
played to alert the driver. Stop the vehicle in a safe place until the warning message turns
off. (P. 559)
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 started or just
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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 operat-
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ing. 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.
If the slip indicator comes on...
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It may indicate a malfunction in the system. Consult your Lexus dealer.
WARNING
When using Crawl Control
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Do not rely solely on the Crawl Control. 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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GX460_OM_OM60R28E_(GE)
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