2017 TOYOTA PRIUS PRIME steering

PRIUS PRIME_OM_OM47A88U_(U)
4595-5. Using the driving support systems
5
Driving
Assume an ordinary driving postu re, rest your hands lightly on
the steering wheel without applying any force, directly confirm
the safety of the area to the front and around the vehicle and
slowly proceed forward while adjus ting your speed by depressing
the brake pedal.
When the vehicle has nearly
reached the take-off point, a
high-pitched beep is emitted
and assist control finishes.
From there, grasp the steer-
ing wheel and proceed for-
ward.
■ Exit parallel parking assist mode
●During assist control, if the driver determines that they are at a position
where take-off is possible and operates the steering wheel, assist control is
stopped at that position.
● Assist control cannot be used if there are no parked vehicles ahead, or if the
gap between the front of your vehicle and the vehicle parked ahead is too
large.
● When using the exit parallel parking assist mode, the assist mode may be
not be able to operate depending on the surrounding environment.
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NOTICE
●The detection range of the sensors ( →P. 424) is limited. Directly confirm
the safety of your surroundings, and if there is a possibility of a contact
accident, stop the vehicle by depressing the brake pedal.
● It may not be possible to detect objects that are low to the ground. Directly
confirm the safety of your surroundings and, if it seems the vehicle may\
make contact with an obstacle, stop the vehicle by depressing the brake
pedal.
● When departing for a position from which you can take off, directly confirm
the safety of your surroundings.

460
PRIUS PRIME_OM_OM47A88U_(U)
5-5. Using the driving support systems
■Function summary
Stop so that the center of the target parking spot appears nearly
perpendicular to the vehicle. If t he space is detectable, the forward
guidance function can be used. Furthermore, depending on the
parking space and other condition s, multi-turn maneuvering assist
control is also provided if necessary.
Stop so that the center of the
target parking spot appears
nearly perpendicular to the
vehicle. Then press the
S-APGS switch 2 times to
select back-in parking assist
mode.
Steering wheel auto opera-
tion starts when the vehicle
begins to move.
A sound is issued and a dis-
play is shown to notify you
when the vehicle reaches the
position to start backing up
from.
If the detected parking space or
road width (distance to the side
of the road across from the park-
ing space) is narrow, or if there
are obstacles in front of the vehi-
cle, guidance will not be issued.
Parking is complete
This completes the assist mode.
Depending on the condition of the parking space, guidance to starting
points for moving forward and backing up, as well as the steering wheel
auto operation, are repeated any time multi-turn maneuvering is neces-
sary following step from the time the vehicle begins backing up until
parking completes.
How to park next to other vehicles (back-in parking assist mode)
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PRIUS PRIME_OM_OM47A88U_(U)
4615-5. Using the driving support systems
5
Driving
■Parking
Stop so that the center of the
target parking spot appears
nearly perpendicular to vehi-
cle. Then press the S-APGS
switch 2 times and check that
the display on the multi-infor-
mation display switches to
“Back-in Parking”.
●Visually check the area in
the direction of the arrow
indicating the direction of
the steering wheel auto
operation and the target
parking spot on the dis-
play.
● The mode switches each
time the S-APGS switch is
pressed. ( →P. 445)
● When the shift position is not in D or B, the screen will not
switch to the “Back- in Parking” display.
● When the vehicle speed has been detected, the screen
switches to the “Parallel Parking” display. To switch the screen
to the “Back-in Parking” display, stop the vehicle completely
and press the S-APGS switch again.
● The turn signal lever ( →P. 336) can be operated to select
whether you would like to park to the left or right.
● The system cannot be used when the parking space is narrow
or there is not a sufficient enough area for assist control to
operate. Please refer to the information shown on the multi-
information display to use a different parking space.
3.3 ft.
(1 m)
1

462
PRIUS PRIME_OM_OM47A88U_(U)
5-5. Using the driving support systems
Assume an ordinary driving
posture, rest your hands
lightly on the steering wheel
without applying any force,
directly confirm the safety of
the area to the front and
around the vehicle and
slowly proceed forward while
adjusting your speed by
depressing the brake pedal.
When this is done, a high-
pitched beep is emitted and
an indicator on the meter illu-
minates at the same time,
after which assist control will
start.
●When the steering wheel auto operation starts, the steering
wheel auto operation display ( →P. 446) and assistance level
indicator ( →P. 446) will be shown in the display area.
● To stop assist control, press the S-APGS switch.
● When the vehicle speed is to o high, a sharp beeping sound is
emitted and assist co ntrol is stopped. (→P. 469)
● If the space turns out to be to o narrow after assist control
starts, a sharp beeping sound is emitted and assist control is
stopped.
When a beep sounds once and
the stop display ( →P. 446) is
shown on the display, stop the
vehicle.
Change the shift position to R.2
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PRIUS PRIME_OM_OM47A88U_(U)
4635-5. Using the driving support systems
5
Driving
Assume an ordinary posture for backing up, rest your hands
lightly on the steering wheel wi thout applying any force, directly
confirm the safety of the area to the rear and around the vehicle,
confirm that there are no obst acles in the parking space, and
slowly back up while adjusting your speed by depressing the
brake pedal.
● When the vehicle cannot be cleanly entered within the target
parking spot on the first try and multi-turn maneuvering is nec-
essary, proceed to step .
● When multi-turn maneuvering is not necessary, proceed to
step . ( →P. 464)
When a beep sounds once and
the stop display ( →P. 446) is
shown on the display, stop the
vehicle.
Change the shift position to D.
When you would like to end assist control at your current position,
change the shift position to P.
Assume an ordinary driving postu re, rest your hands lightly on
the steering wheel without applying any force, directly confirm
the safety of the area to the front and around the vehicle and
slowly proceed forward while adjus ting your speed by depressing
the brake pedal.
When a beep sounds once
and the stop display ( →P. 446)
is shown on the display, stop
the vehicle.
Change the shift position to R.
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464
PRIUS PRIME_OM_OM47A88U_(U)
5-5. Using the driving support systems
Assume an ordinary posture for backing up, rest your hands
lightly on the steering wheel wi thout applying any force, directly
confirm the safety of the area to the rear and around the vehicle
slowly back up while adjusting your speed by depressing the
brake pedal.
Depending on the condition of the parking space, steps to may
need to be repeated.
When the vehicle is almost entirely within the target parking spot,
a high-pitched beep is emitted and the stop display is shown on
the display ( →P. 446), stop the vehicle.
This completes the back-in parking assist mode.
● For safety, the buzzer sounds slightly before the vehicle is
completely entered within the target parking spot. Further-
more, at that point, system o peration will also finish. Firmly
hold the steering wheel and slowly back up while adjusting
your speed by depressing the brake pedal to reach the desired
parking spot.
● Be sure to back up while checking the area to the front and
rear of the vehicle directly and by using the mirrors.
■Back-in parking assist mode operating conditions
●In order to operate the function correctly, drive slowly (at a speed at which
the vehicle can be quickly stopped).
● In order to operate the function correctly, drive slowly (at a speed at which
the vehicle can be quickly stopped). Come to a full stop so that the center of
the parking space is nearly perpendicular to the vehicle, and then operate
the S-APGS switch.
● The function cannot be used when the vehicle speed is approximately
19 mph (30 km/h) or higher.
● The front side sensors and rear side sensors are used to detect parked
vehicles and determine the parking spot. Therefore, when detection is not
possible ( →P. 475), guidance is not issued.
● If there are no parked vehicles, the parking spot cannot be determined.
Therefore, the back-in parking assist mode cannot be operated.
● If unable to detect the environment surrounding the parking space, the
back-in parking assist mode may not be able to operate.
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466
PRIUS PRIME_OM_OM47A88U_(U)
5-5. Using the driving support systems
When the Simple Advanced Park ing Guidance System cannot be
operated, or when operation is stopped, canceled, etc., the one of the
following message is displayed on the multi-information display. Take
appropriate action according to the display.
■When it is not possible to operate
Multi-information display messages
MessageSituation/Handling method
The system may be malfunctioning.
→ Turn the power switch off and then start the
hybrid system.
Have the vehicle inspected by your Toyota
dealer if the message is displayed again.
There may be a system failure.
Power steering equipment is temporarily overheat-
ing.
→Turn the power switch off, wait for a little
while, and then start the hybrid system again.
The hybrid system is not operating.
→Start the hybrid system.
Ice, snow, dirt, etc., has adhered to the sensor.
→Remove any ice, snow, dirt, etc.
The sensor is frozen.
→Once the sensor thaws, the system will return
to normal.
The 12-volt battery has been removed and rein-
stalled.
→Drive the vehicle straight ahead for 5 seconds
or more at a speed of approximately 22 mph
(35 km/h) or higher.
The S-APGS switch is operated when the vehicle
speed exceeds 19 mph (30 km/h).
→Operate the switch when the vehicle speed is
approximately 19 mph (30 km/h) or less.
Assist control is started while the steering wheel is
held.
→Rest your hands on the steering wheel with-
out applying any force. Assist control will
start.

PRIUS PRIME_OM_OM47A88U_(U)
4675-5. Using the driving support systems
5
Driving
The vehicle is moved and assist control is started
while the steering wheel is held.
→Stop the vehicle and fo llow the guidance pro-
vided by the system to start assist control.
The S-APGS switch is operated when there is not
enough space to the front and rear of the vehicle
when departing from a parallel parking spot.
→ The vehicle cannot depa rt using assist con-
trol as there is not enough space to the front
and rear of the vehicle . Confirm the safety of
your surroundings before departing.
The S-APGS switch is operated in an area where
there are no obstacles to the front of the vehicle, or
there are obstacles to the sides and the vehicle can-
not depart from the parallel parking spot.
→ Assist control cannot be used for departure,
as there are obstacles to the sides of the vehi-
cle or departure can easily be performed man-
ually. Confirm the safety of your surroundings
before departing.
The S-APGS switch is operated in an area with no
parking spaces, or operated in an area where the
road width for parking is narrow.
→ Assist control cannot be used, as there is no
parking space. Proceed to a parking space
which width is approximately 8.5 ft. (2.6 m) or
larger.
→ Assist control cannot be used, as the road
width is narrow. Proceed to a parking space
where the road width is approximately 15 ft.
(4.5 m) or larger.
The S-APGS switch is operated at a space that is
too narrow for the vehicle to park in.
→Assist control cannot be used, as there is no
parking space. Proceed to a parking space
that is approximately 8.5 ft. (2.6 m) or larger.
MessageSituation/Handling method