2012 Lexus LS 600h Owners Manual - Page 309
2012 Lexus LS 600h Manual
Page 309 highlights
2-4. Using other driving systems
311
2-4. Using other driving systems
2
When driving
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Automatic reactivation of TRAC and VSC
Turning the “POWER” switch OFF after turning off the TRAC and VSC systems will
automatically re-enable them.
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Automatic TRAC reactivation
If only the TRAC system is turned off, the TRAC system will turn on when vehicle
speed increases.
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Automatic TRAC/VSC reactivation
If the TRAC/VSC systems are turned off, the systems will not turn on even when
vehicle speed increases.
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Sounds and vibrations caused by the ABS, brake assist, VSC, TRAC, hill-start
assist control and VGRS systems
●
A sound may be heard from the engine compartment when the hybrid system is
started or just after the vehicle begins to move. This sound does not indicate that
a malfunction has occurred in any of these systems.
●
Any of the following conditions may occur when the above systems are operat-
ing. 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.
●
The steering wheel may be moved slightly or a sound may be heard when the
hybrid system is started or stopped. None of these indicate that a malfunction
has occurred.
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Hill-start assist control is operational when
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The shift lever is in the “D” or “S” position.
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The brake pedal is not depressed.
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EPS operation sound
When the steering wheel is operated, a motor sound (whirring sound) may be
heard. This does not indicate a malfunction.