Page 465 of 744

4655-5. Using the driving support systems
PRIUS PHV_OM_OM47A89E_(EE)
5
Driving
When a beep sounds once
and the stop display ( P. 460)
is shown on the display, stop
the vehicle.
When the shift position is changed to R, a high-pitched beep is
emitted and assist control will start.
● When the steering wheel auto operation starts, the steering
wheel auto operation display ( P. 460) and assistance level
indicator ( P. 460) will be shown in the display area.
● To stop assist control, press the S-IPA switch.
Assume an ordinary posture for backing up, rest your hands
lightly on the steering wheel without applying any force, directly
confirm the safety of the area to the rear and around the vehicle,
confirm that there are no obstacles in the parking space, and
slowly back up while adjusting your speed by depressing the
brake pedal.
● When backing up too quickly, a sharp beeping sound is emit-
ted and assist control is stopped. ( P. 484)
● 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 .
3
4
5
6
12
Page 470 of 744

4705-5. Using the driving support systems
PRIUS PHV_OM_OM47A89E_(EE)
■Using the exit parallel parking assist mode to depart
With the shift position in P, press the S-IPA switch and check that
the display on the multi-information display switches to “Exit Par-
allel Parking”.
Operate the turn signal lever ( P. 339) to select whether you
would like to depart to the left or right.
If there are any obstacles in the direction the vehicle is departing in, the
system determines that it is not possible to depart, and assist control is
stopped.
When the shift position is changed to R (or D) according to the
advice display on the screen ( P. 460), a high-pitched beep is
emitted and assist control will start.
Step and onward is for cases in which the advice display shows “Shift
to [R]” after operating the turn signal lever to select a departure direc-
tion.
● When the steering wheel auto operation starts, the steering
wheel auto operation display ( P. 460) and assistance level
indicator ( P. 460) will be shown in the display area.
● To stop assist control, press the S-IPA switch.
Assume an ordinary posture for backing up, rest your hands
lightly on the steering wheel without applying any force, directly
confirm the safety of the area to the rear and around the vehicle
and slowly back up while adjusting your speed by depressing the
brake pedal.
● When backing up too quickly, a sharp beeping sound is emit-
ted and assist control is stopped. ( P. 484)
1
2
3
4
4
Page 474 of 744

4745-5. Using the driving support systems
PRIUS PHV_OM_OM47A89E_(EE)
■Function summary
Stop so that the center of the target parking spot appears nearly
perpendicular to the vehicle. If the space is detectable, the forward
guidance function can be used. Furthermore, depending on the
parking space and other conditions, 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-
IPA 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)
1
2
3
4
3
Page 476 of 744

4765-5. Using the driving support systems
PRIUS PHV_OM_OM47A89E_(EE)
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. 460) and assistance level
indicator ( P. 460) will be shown in the display area.
● To stop assist control, press the S-IPA switch.
● When the vehicle speed is too high, a sharp beeping sound is
emitted and assist control is stopped. ( P. 484)
● If the space turns out to be too 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. 460)
is shown on the display, stop
the vehicle.
Change the shift position to R.
2
3
4
Page 481 of 744

4815-5. Using the driving support systems
PRIUS PHV_OM_OM47A89E_(EE)
5
Driving
When the Simple Intelligent Parking Assist System cannot be oper-
ated, or when operation is stopped, canceled, etc., the one of the fol-
lowing 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 any authorized
Toyota dealer or repairer, or another duly
qualified and equipped professional 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 35 km/h
(22 mph) or higher.
The S-IPA switch is operated when the vehicle
speed exceeds 30 km/h (19 mph).
Operate the switch when the vehicle speed is
approximately 30 km/h (19 mph) or less.
Page 482 of 744

4825-5. Using the driving support systems
PRIUS PHV_OM_OM47A89E_(EE)
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.
The vehicle is moved and assist control is started
while the steering wheel is held.
Stop the vehicle and follow the guidance pro-
vided by the system to start assist control.
The S-IPA 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 depart 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-IPA 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 cannot
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-IPA 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 2.6 m (8.5 ft.) or
larger.
Assist control cannot be used, as the road
width is narrow. Proceed to a parking space
where the road width is approximately 4.5 m
(15 ft.) or larger.
MessageSituation/Handling method
Page 484 of 744

4845-5. Using the driving support systems
PRIUS PHV_OM_OM47A89E_(EE)■
When the operation is suspended
When assist control starts, the vehicle proceeds in a
direction opposite to the guidance.
Follow the guidance provided by the system
to proceed forward.
The maximum number of movements for multi-turn
maneuvering is reached during assist control, or the
target parking spot cannot be reached due to the
control being used on a road with steep grade.
Follow the assist control guidance and use
the system in a wide space that does not have
a steep grade.
MessageSituation/Handling method
MessageSituation/Handling method
The driver holds the
steering wheel during
assist control.Stop the vehicle and
rest your hands on the
steering wheel without
applying any force.
Then press the S-IPA
switch to restart assist
control.
The vehicle speed
exceeds 7 km/h
(4 mph) during assist
control.
The S-IPA switch is
pressed while assist
control is temporarily
stopped and the
steering wheel is
firmly held.Rest your hands on the
steering wheel without
applying any force.
Then stop the vehicle to
restart assist control.
The S-IPA switch is
pressed while assist
control is temporarily
stopped and the vehi-
cle is moving.
Page 485 of 744
4855-5. Using the driving support systems
PRIUS PHV_OM_OM47A89E_(EE)
5
Driving
Assist control is tem-
porarily stopped
(able to be restarted)Stop the vehicle and
rest your hands on the
steering wheel without
applying any force.
Then press the S-IPA
switch to restart assist
control.
The vehicle moved
too close to an obsta-
cle in front of the
vehicle.Press the S-IPA switch
after changing the shift
position to R to restart
assist control.
The vehicle moved
too close to an obsta-
cle to the rear of the
vehicle.Press the S-IPA switch
after changing the shift
position to D to restart
assist control.
MessageSituation/Handling method