Page 483 of 792

PRIUS PRIME_OM_OM47D13U_(U)
4835-5. Using the driving support systems
5
Driving
WARNING
●Do not use the system in the following situations, as the syste m may be
unable to correctly assist you in reaching the target parking s pot and may
lead to an unexpected accident.
• In an area that is not a parking lot
• A parking lot that is not paved and has no parking space lines, such as a sand or gravel parking lot
• A parking lot that has a slope or undulations in the road
• A frozen, snow-covered or slippery road
• The asphalt is melting due to hot weather
• There is an obstacle between the vehicle and the target parking spot
• Using tire chains
● Do not use tire other than that provided by the manufacturer. The system
may not operate properly. When replacing tires, contact your Toyota
dealer.
● The system may not be able position the vehicle in the set location in the
following situations.
• The tires are extremely worn or the tire pressure is low
• The vehicle is carrying very heavy load
• The vehicle is tilted due to having luggage, etc. located on one side of
the vehicle
• There are road heaters installed in the parking lot to prevent the road
surface from freezing.
In any other situations when the set position and vehicle posit ion greatly
differ, have the vehicle inspected by your Toyota dealer.
● Make sure to observe the following precautions regarding the exit parallel
parking assist mode.
Exit parallel parking assist mode is a function used when depar ting from a
parallel parking spot. However, this function may not be usable if obsta-
cles or people are detected in front of the vehicle. Only use t his function
when departing from a parallel parking spot. In the event that the steering
control operates, either turn the system off using the S-APGS s witch or
operate the steering wheel to stop the control.
● If exit parallel parking assist mode is mistakenly used in the following situ-
ations, the vehicle may make contact with an obstacle.
The departure function is operated in a direction where an obst acle is
present, but the obstacle is not detected by the side sensors ( situations
such as when the vehicle is directly beside a pole).
Page 484 of 792

484
PRIUS PRIME_OM_OM47D13U_(U)
5-5. Using the driving support systems
WARNING
●Observe the following precautions, as the sensors may stop func tioning
properly which may lead to an accident.
• Do not subject the sensor to strong shocks by hitting it, etc. The sen-
sors may not function properly.
• When using a high-pressure washer to wash the vehicle, do not spray
water directly on the sensors. Equipment may not function prope rly if
subjected to an impact from strong water pressure. If the vehic le
bumper strikes something, equipment may not operate properly du e to
a sensor malfunction. Have the vehicle inspected at your Toyota dealer.
● In the following situations, the sensors may not operate normally and may
lead to an accident. Drive carefully.
• Obstacles cannot be detected in the side areas until a scan of the side
areas is completed. ( P. 434)
• Even after the scan of the side areas is completed, obstacles such as other vehicles, people or animals that approach from the sides cannot
be detected.
• The sensor is frozen (if it thaws, the system returns to norma l).
A warning message may display at particularly low temperatures due to
the sensor freezing and it may not detect parked vehicles.
• The sensor is blocked by someone’s hand.
• The vehicle is tilted a large amount.
• The temperature is extremely hot or cold.
• The vehicle is driven on undulating roads, slopes, gravel road s, in areas
with tall grass, etc.
• An ultrasonic wave source is nearby, such as the horn or senso rs of
another vehicle, a motorcycle engine or the air brake of a larg e vehicle.
• Heavy rain or a water strikes the vehicle.
• The angle of the sensor may be deviated when assist control st arts
even if there is a parked vehicle in the target parking spot. Have the
vehicle inspected at your Toyota dealer.
• Do not install any accessories within the sensor detection ran ge.
Page 745 of 792
PRIUS PRIME_OM_OM47D13U_(U)
7459-2. Customization
9
Vehicle specifications
■Automatic light control system*1 ( P. 346)
*1: If equipped
*2: This function cannot be customized for vehicles sold in Canada .
*3: For vehicles without navigation system only
■
Rain-sensing windshield wipers* ( P. 3 6 0 )
*: If equipped
■
Intuitive parking assist* ( P. 429)
*: If equipped
FunctionDefault
settingCustomized setting
Time elapsed before the
headlights turn off 30 secondsOff
O*3OO
60 seconds
90 seconds
Light sensor sensitivityLevel 0Level -2 to 2O*3OO
Daytime running lights*2OnOffO*3OO
123
FunctionDefault
settingCustomized setting
Wiper operation when the
wiper switch is in the “AUTO”
positionRain-sensing
operation
Intermittent operation
linked to vehi-
cle speed
(with interval
adjuster)
––O
123
FunctionDefault settingCustomized setting
Detection distance of the front
center sensorsFarNear––O
Detection distance of the rear
center sensorsFarNear––O
Buzzer volume31 to 5––O
123
Page 782 of 792

782Alphabetical index
PRIUS PRIME_OM_OM47D13U_(U)
P position switch ..................... 339
Panic mode .............................. 271
Parking assist sensors Intelligent Clearance Sonar .................................. 439
Intuitive parking assist .......... 429
S-APGS (Simple Advanced Parking Guidance
System) .............................. 451
Parking brake ........................... 345 Operation .............................. 345
Parking brake engaged
warning buzzer ................... 345
Parking lights ........................... 346
Light switch ........................... 346
Replacing light bulbs............. 646
Parking lock ............................. 339
PCS (Pre-Collision System) .... 377
Enabling/disabling the system ......... ....................... 381
Function ................................ 377
Warning light ......................... 661
Personal lights ......................... 524
Switch ................................... 525
Wattage ................................ 724
Plug-in hybrid system ............... 84 Driving tips ............................ 103
EV auto mode ......................... 85
EV driving range ................... 106
EV mode ................................. 85
EV/HV mode selection
switch ................................... 88
Features.................................. 84
How to charge....................... 143
HV mode ................................. 85
Hybrid battery (traction
battery) charge mode ........... 85 Power control unit coolant ..... 590
Capacity................................ 721
Checking............................... 590
Preparing and checking before winter ...................... 491
Radiator ................................ 592
Power outlets ........................... 540
Power sources ......................... 128
Power steering (Electric Power Steering system) ....... 486 Function ................................ 486
Warning light......................... 661
Power switch ........................... 332 Auto power off function ......... 334
Changing the power
switch modes ..................... 334
If your vehicle has to be
stopped in an emergency ... 651
Starting the hybrid system .... 332
Power windows ....................... 308
Catch protection function ...... 309
Door lock linked window operation ............................ 309
Jam protection function ........ 309
Operation .............................. 308
Window lock switch .............. 308
Pre-Collision System (PCS).... 377
Enabling/disabling the system .......... ...................... 381
Function ................................ 377
Warning light......................... 661
P
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