Toyota Camry 2020 Manual page 291

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Sounds and vibrations caused by the ABS, brake assist, VSC, TRAC,
and hill-start assist control systems
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A sound may be heard from the engine compartment when the brake pedal
is depressed repeatedly, 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.
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Any of the following conditions may occur when the above systems are
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 also after the vehicle comes to a stop.
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ECB operating sound
ECB operating sound may be heard in the following cases, but it does not
indicate that a malfunction has occurred.
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Operating sound heard from engine compartment when the brake pedal is
operated.
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Motor sound of the brake system heard from the front part of the vehicle
when the driver's door is opened.
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Operating sound heard from the engine compartment when one or two min-
utes passed after the stop of the hybrid system.
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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.
4-5. Using the driving support systems
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