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4
4-5. Using the driving support systems
Driving
■ Sounds and vibrations caused by the
ABS, brake assist, VSC, TRC and hill-
start assist control systems
● A sound may be heard from the engine
compartment when the brake pedal is
depressed repeatedly, when the engine 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 oper-
ating. None of these indicates that a mal-
function 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.
■ Active Cornering Assist operation
sounds and vibrations
When the Active Cornering Assist is oper-
ated, operation sounds and vibrations may
be generated from the brake system, but
this is not a malfunction.
■ EPS operation sound
When the steering wheel is operated, a
motor sound (whirring sound) may be
heard. This does not indicate a malfunction.
■ Automatic reactivation of TRC and
VSC systems
After turning the TRC and VSC systems off,
the systems will be automatically re-
enabled in the following situations:
● When the engine switch is turned off
● If only the TRC system is turned off, the
TRC will turn on when vehicle speed
increases
If both the TRC and VSC systems are
turned off, automatic re-enabling will not
occur when vehicle speed increases.
■ Secondary Collision Brake operating
conditions
The system operates when the SRS airbag
sensor detects a collision while the vehicle
is in motion.
However, the system does not operate in
any of the following situations:
● The vehicle speed is below 10 km/h (6
mph)
● Components are damaged
■ Secondary Collision Brake automatic
cancellation
The system is automatically canceled in any
of the following situations:
● The vehicle speed drops below approxi-
mately 10 km/h (6 mph)
● A certain amount of time elapses during
operation
● The accelerator pedal is depressed a
large amount
■ Operating conditions of Active Corner-
ing Assist
The system operates when the following
occurs.
● TRC/VSC can operate
● The driver is attempting to accelerate
while turning
● The system detects that the vehicle is
drifting to the outer side
● The brake pedal is released
■ Reduced effectiveness of the EPS sys-
tem
The effectiveness of the EPS system is
reduced to prevent the system from over-
heating 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 engine off. The EPS system should
return to normal within 10 minutes.
■ Operating conditions of emergency
brake signal
When the following conditions are met, the
emergency brake signal will operate:
● The emergency flashers are off.
● Actual vehicle speed is over 55 km/h
(35 mph).
● The system judges from the vehicle
deceleration that it is a sudden braking
operation.
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