248
4-5. Using the driving support systems
• The driver’s seat belt is unfastened
• The driver’s door is opened
• Approximately 3 minutes have elapsed
since the vehicle was stopped
The parking brake may be actived automat-
ically.
● Situations in which some or all of the
functions of the system cannot operate:
P.203
■ Dynamic radar cruise control system
warning messages and buzzers
For safe use: P.197
■ Preceding vehicles that the sensor may
not detect correctly
In the following situations, depending on the
conditions, if the system cannot provide suf-
ficient deceleration or acceleration is nec-
essary, operate the brake pedal or
accelerator pedal.
As the sensor may not be able to correctly
detect these types of vehicles, the approach
warning (P.248) may not operate.
● When a vehicle cuts in front of your vehi-
cle or changes lanes away from your
vehicle extremely slowly or quickly
● When changing lanes
● When a preceding vehicle is driving at a
low speed
● When a vehicle is stopped in the same
lane as the vehicle
● When a motorcycle is traveling in the
same lane as the vehicle
■ Conditions under which the system may
not operate correctly
In the following situations, operate the
brake pedal (or accelerator pedal, depend-
ing on the situation) as necessary.
As the sensor may not be able to correctly
detect a vehicle, the system may not oper-
ate properly.
● When a preceding vehicle brakes sud-
denly
● When changing lanes at low speeds, such
as in a traffic jam
■ Conditions for extended resume time
(vehicles with Traffic Jam Assist)
Extended resume time is activated when all
of the following conditions are satisfied:
● The vehicle is driving on a vehicle-only
road, such as an expressway.
● There is a preceding vehicle and the sys-
tem is able to detect it.
● No vehicle interruptions occur.
● The preceding vehicle has not been
replaced.
● Clearance sonar and FCTA are not
detecting the object in front of you.
● The driver monitor judges that the driver
is looking forward.
● The steering wheel has not been oper-
ated.
● The brake pedal has not been operated.
In situations where the vehicle
approaches a preceding vehicle and
the system cannot provide sufficient
deceleration, such as if a vehicle cuts in
front of the vehicle, a warning display
will flash and a buzzer will sound to
alert the driver. Depress the brake
pedal to ensure appropriate vehi-
cle-to-vehicle distance.
■ Warnings may not occur when
In the following situations, the warning
may not operate even though the vehi-
cle-to-vehicle distance is short.
When the preceding vehicle is trav-
eling at the same speed or faster
than your vehicle
When the preceding vehicle is trav-
eling at an extremely low speed
Immediately after the vehicle speed
has been set
Approach warning
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