Toyota PRIUS 2014 Manual page 332

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2-4. Using other driving systems

Sounds and vibrations caused by the ABS, brake assist, VSC and

A sound may be heard from the engine compartment when the hybrid

system is started, just after the vehicle begins to move, if the brake pedal

is depressed forcefully or repeatedly, or 1-2 minutes after the hybrid sys-

tem is stopped. 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

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.

• The brake pedal may pulsate slightly after the ABS is activated.

• The brake pedal may move down slightly after the ABS is activated.

EPS operation sound

When the steering wheel is operated, a motor sound (whirring sound) may

be heard. This does not indicate a malfunction.

Reduced effectiveness of the EPS system

The effectiveness of the EPS system is reduced to prevent the system from

overheating when there is frequent steering input over an extended period of

time. The steering wheel may feel heavy as a result. Should this occur,

refrain from excessive steering input or stop the vehicle and turn the hybrid

system off. The EPS system should return to normal within 10 minutes.

Electric power steering system warning light (warning buzzer)

PRIUS PHV_OM_OM47856U_(U)