2018 TOYOTA PRIUS Owners Manual (in English)

PRIUS_OM_OM47B89U_(U)
3214-5. Using the driving support systems
4
Driving
To change the set speed, operate the lever until the desired set speed
is obtained.
Increases the speed
Decreases the speed
Fine adjustment: Momentarily
move the lever in the desired direc-
tion.
Large adjustment: Hold the lever in
the desired direction.
The set speed will be increased or decreased as follows:
Fine adjustment: By approximately 1 mph (1.6 km/h) or 1 km/h (0.6 mph)
each time the lever is operated.
Large adjustment: The set speed can be increased or decreased continu-
ally until the lever is released.
Pulling the lever toward you
cancels the c onstant speed
control.
The speed setting is also canceled
when the brake pedal is
depressed.
Pushing the lever up resumes
the constant speed control.
However, resuming is available
when the vehicle speed is more
than approximately 25 mph
(40 km/h).
Adjusting the set speed
1
2
Canceling and resuming the constant speed control
1
2

322
PRIUS_OM_OM47B89U_(U)
4-5. Using the driving support systems
■Cruise control can be set when
●The shift position is in D.
● Vehicle speed is above approximately 25 mph (40 km/h).
■ Accelerating after setting the vehicle speed
●The vehicle can be accelerated by operating accelerator pedal. After accel-
erating, the set speed resumes.
● Even without canceling the cruise control, the set speed can be increased
by first accelerating the vehicle to the desired speed and then pushing the
lever down to set the new speed.
■ Automatic cancelation of cruise control
Cruise control is automatically canceled in any of the following situati\
ons.
●Actual vehicle speed falls more than approximately 10 mph (16 km/h) below
the set speed.
At this time, the memorized set speed is not retained.
● Actual vehicle speed is below approximately 25 mph (40km/h).
● VSC is activated.
● TRAC is activated for a period of time.
● When the VSC or TRAC system is turned off by pressing the VSC OFF
switch.
● Intelligent Clearance Sonar is operated. (if equipped)
■ If “Check Cruise Control System Visi t Your Dealer” is displayed on the
multi-information display
Press the “ON-OFF” button once to deactivate the system, and then press
the button again to reactivate the system.
If the cruise control speed cannot be set or if the cruise control cancels imme-
diately after being activated, there may be a malfunction in the cruise control
system. Have the vehicle inspected by your Toyota dealer.

PRIUS_OM_OM47B89U_(U)
3234-5. Using the driving support systems
4
Driving
WARNING
■To avoid operating the cruise control by mistake
Switch the cruise control off using the “ON-OFF” button when not in use.
■ Situations unsuitable for cruise control
Do not use cruise control in any of the following situations.
Doing so may result in loss of control and could cause an accident resulting
in death or serious injury.
● Roads where there are pedestrians, cyclers, etc.
● In heavy traffic
● On roads with sharp bends
● On winding roads
● On slippery roads, such as those covered with rain, ice or snow
● On sharp inclines or declines
Vehicle speed may exceed the set speed when driving down a steep hill.
● During emergency towing

324
PRIUS_OM_OM47B89U_(U)
4-5. Using the driving support systems
Driving mode select switch
Repeatedly press the switch until t he system changes to the intended
drive mode.
Each time the switch is pressed, the drive mode changes in the following order
and the
“ECO MODE” and “PWR MODE” indicators turn on or off accord-
ingly.
In response to driving conditions, one of 3 drive modes can be
selected.
Driving modes

PRIUS_OM_OM47B89U_(U)
3254-5. Using the driving support systems
4
Driving
Normal mode
Suitable for normal driving.
When normal mode is selected, the “ECO MODE” and “PWR MODE”
indicators turn off.
Power mode
Suitable for when crisp handling and enhanced accelerator
response are desired, such as when driving on mountainous roads.
When power mode is selected, the “PWR MODE” indicator will illuminate
on the main display.
Eco drive mode
Suitable for driving that improv es fuel economy by generating
torque in response to accelerator pedal operations more smoothly
than in normal mode.
When Eco drive mode is selected, the “ECO MODE” indicator will illumi-
nate on the main display.
While the air conditioning is being used, the system automatically
switches to air conditioning eco mode (→P. 519, 529), allowing for driv-
ing that leads to even better fuel economy.
■ When canceling Eco drive mode/power mode
●Press the switch again. Also, power mode will be canceled automatically
when the power switch is turned off.
● However, Normal mode and Eco drive mode will not be canceled automati-
cally until the switch is pressed, even if the power switch is turned off.
■ Switching the drive mode when in EV drive mode
→P. 238
1
2
3

326
PRIUS_OM_OM47B89U_(U)
4-5. Using the driving support systems
BSM (Blind Spot Monitor)∗
The Blind Spot Monitor is a system that has 2 functions;
● The Blind Spot Monitor function
Assists the driver in making t he decision when changing lanes
● The Rear Cross Traffic Alert function
Assists the driver when backing up
These functions use same sensors.
Outside rear view mirror indicators
Blind Spot Monitor function:
When a vehicle is detected in the blind spot, the outside rear view mirror
indicator comes on while the turn signal lever is not operated. If the turn
signal lever is operated toward the detected side, the outside rear view
mirror indicator flashes.
Rear Cross Traffic Alert function:
When a vehicle approaching from the right or left rear of the vehicle is
detected, the outside rear view mirror indicators flash.
∗: If equipped
Summary of the Blind Spot Monitor
1

PRIUS_OM_OM47B89U_(U)
3274-5. Using the driving support systems
4
Driving
The Blind Spot Monitor on/off screen and indicator
The Blind Spot Monitor function and Rear Cross Traffic Alert function can
be switched on and off using the multi-information display. ( →P. 139)
When switched on, the BSM indicator illuminates on the meter and the
buzzer sounds.
Rear Cross Traffic Alert buzzer (Rear Cross Traffic Alert function
only)
When a vehicle approaching from the right or left rear of the vehicle is
detected, a buzzer sounds from the driver’s side instrument panel.
RCTA detection display (RCTA function only)
If a vehicle approaching from the right or left at the rear of the vehic\
le is
detected, the RCTA detection display will be displayed on the multi-infor-
mation display.
The Blind Spot Monitor function and Rear Cross Traffic Alert function
can be enabled/disabled on screen ( →P. 139) of the multi-infor-
mation display.
Once OFF is selected, the Blind Spot Monitor and Rear Cross Traffic Alert
function will not return to ON until it is turned to ON by the settings display
of multi-information display again. (The system does not automatically
return to ON even when the hybrid system is restarted.)
Changing settings of the Blind Spot Monitor function and Rear
Cross Traffic Alert function
2
3
4

328
PRIUS_OM_OM47B89U_(U)
4-5. Using the driving support systems
■The BSM outside rear view mirror indicators visibility
When under strong sunlight, the outside rear view mirror indicator may be dif-
ficult to see.
■ Rear Cross Traffic Alert buzzer hearing
Rear Cross Traffic Alert function may be difficult to hear over loud noises
such as high audio volume.
■ When “Blind Spot Monitor Unavailabl e” is shown on the multi-informa-
tion display
The sensor voltage has become abnormal, water, snow mud, etc., may be
built up in the vicinity of the sensor area of bumper (→P. 330). Removing the
water, snow, mud, etc., from the vicinity of the sensor area bumper should
return it to normal. Also, the sensor may not function normally when used in
extremely hot or cold weather.