2023 TOYOTA RAV4 PRIME Owners Manual

4035-5. Using the driving support systems
5
Driving
P.380
■The Parking Support Brake
function (rear-crossing vehi-
cles) will operate when
The function will operate when the
PKSB OFF indicator is not illumi-
nated ( P.168, 170) and all of the
following condit ions are met:
●Hybrid system output restriction
control
• The Parking Support Brake is enabled.
• The vehicle speed is approxi-
mately 9 mph (15 km/h) or less.
• Vehicles are approaching from the right or left at th e rear of the vehi-
cle at a traveling speed of approx-
imately 5 mph (8 km/h) or more.
• The shift lever is in R.
• The Parking Support Brake deter-
mines that a stronger than normal
brake operation is necessary to
avoid a collision with an approach-
ing vehicle.
●Brake control
• Hybrid system output restriction control is operating
• The Parking Support Brake deter- mines that an emergency brake
operation is necessary to avoid a
collision with an approaching vehi-
cle.
■The Parking Support Brake
function (rear-crossing vehi-
cles) will stop operating when
The function will st op operating if
any of the following conditions are
met:
●Hybrid system output restriction
control • The Parking Support Brake is dis-
abled.
• The collision becomes avoidable
with normal brake operation.
• A vehicle is no longer approaching from the right or left at the rear of
the vehicle.
●Brake control
• The Parking Support Brake is dis- abled.
• Approximately 2 seconds have
elapsed since the vehicle was
stopped by brake control.
• The brake pedal is depressed
after the vehicle is stopped by
brake control.
• A vehicle is no longer approaching
from the right or left at the rear of
the vehicle.
■Detection area of the Parking
Support Brake function (rear-
crossing vehicles)
The detection area of the Parking
Support Brake function (rear-cross-
ing vehicles) differs from the detec-
tion area of the RCTA function
(  P.384). Therefore, even if the
RCTA function detects a vehicle
and provides an alert, the Parking
Support Brake function (rear-cross-
ing vehicles) may not start operat-
ing.
■Situations in which the system
may not operate properly
 P.385
■Situations in which the system
may operate even if there is no
possibility of a collision
 P.386
Types of sensors
WARNING
■To ensure the system can
operate properly
 P.380

4045-5. Using the driving support systems
1Eco drive mode
Suitable for driving to improve fuel
economy by more smoothly gener-
ating torque in response to acceler-
ator pedal operations compared to
normal mode and restraining air
conditioning system operations
(heating/cooling).
When the switch is turned to the left
while not in Eco drive mode, the
system switches to Eco drive mode
and the Eco drive mode indicator
illuminates on the mu lti-information
display.
2 Normal mode
Suitable for n ormal driving.
The driving mode returns to normal
mode if the switch i s pressed while
in Eco drive mode or sport mode.
3 Sport mode
Controls the steering feeling and
hybrid system to create an acceler-
ation response tha t is suitable for
sporty driving. Suitable for when
crisp handling is desired, such as
when driving on mountainous
roads.
When the switch is turned to the
right while not in sport mode, the
system switches to sport mode and
the sport mode indicator illuminates
on the multi-information display.
■When the driving mode is
changed
●The background color of the multi-
information display changes
according to the selected driving
mode.
●When the speedometer is set to
analog display, the speedometer
display color also changes. (vehi-
cles with 7-inch display)
●The color of the switch changes
according to the selected driving
mode. (On some models)
■Air conditioning system opera-
tion in Eco drive mode
In Eco drive mode, heating/cooling
operations and the fan speed is con-
trolled to improve fuel efficiency.
Perform the following procedures to
increase the air conditioning perfor-
mance.
●Turn eco air conditioning mode off
(  P.423)
●Adjust the fan speed ( P.423)
●Cancel Eco drive mode
■Canceling a driving mode
●Sport mode is automatically can-
Driving mode select
switch
The driving modes can be
selected to suit the driving
and usage conditions.
Selecting a driving mode

4055-5. Using the driving support systems
5
Driving
celed and the driving mode
returns to normal mode when the
power switch is turned off.
●Normal mode and Eco drive mode
are not canceled until another
driving mode is selected. (Even if
the power switch is turned off, nor-
mal mode and Eco drive mode will
not be automatically canceled).
Press the Trail Mode switch.
Press the Trail Mode switch, to turn
the Trail Mode on.
The Trail Mode indicator light will
come on the multi- information dis-
play.
To turn the system off, press the
Trail Mode switch again.
Trail Mode
Trail Mode is designed to
control the spinning of the
drive wheels by integratedly
controlling AWD, brake and
drive force control sys-
tems. Use the Trail Mode
when driving bumpy roads,
etc.
WARNING
■Before using Trail Mode
Make sure to observe the follow-
ing precautions. Failure to
observe these precautions may
result in an unexp ected accident.
●Trail mode is intended for use
when driving on rough roads.
●Check that the Trail Mode indi-
cator is illuminated before driv-
ing.
●Trail Mode is not intended to
expand the limits of the vehicle.
Thoroughly check the road con-
ditions and drive with caution.
Enabling the system

4065-5. Using the driving support systems
If the tires are spinning, the slip
indicator flashes to indicate that
the Trail Mode is controlling the
spinning of the tires.
■Trail Mode
●Trail Mode controls the vehicle so
that it can use the maximum
amount of drive force when driving
on rough roads.
As a result, fuel efficiency may
diminish when compared to driving
with Trail Mode off.
●If Trail Mode is co ntinuously used
for a long period of time, depend-
ing on the driving conditions, the
load on related parts increases
and the system may not function
correctly.
In this case, “Traction Control
Turned OFF” will be shown on the
multi-information display but the vehicle can be driven normally.
The “Traction Control Turned OFF”
on the multi-information display will
turn off after a sh
ort while and the
system will operate properly.
■When Trail Mode is canceled
In the following situations, Trail
Mode is automatically canceled
even if it is selected:
●When the driving mode is
changed. ( P.404)
●When the hybrid system is
restarted.
■Sounds and vibrations when
driving in Trail Mode
Any of the following conditions may
occur when Trail Mode is operating.
None of these indicates that a mal-
function has occurred:
●Vibrations may be felt throughout
the vehicle or steering wheel
●Sounds may be heard from the
engine compartment
■When the Trail Mode indicator
does not illuminate
When the Trail Mode indicator does
not illuminate even though the Trail
Mode switch is pressed, the system
may be malfunctioning.
Have the vehicle inspected by your
Toyota dealer immediately.
When the Trail Mode is
operating
NOTICE
■In order to ensure that Trail
Mode operates properly
Do not continuously use the Trail
Mode for a long period of time.
Depending on the driving condi-
tions, the load on related parts
increases and the system may not
operate properly.

4075-5. Using the driving support systems
5
Driving
■ECB (Electronically Con-
trolled Brake System)
The electronically controlled
system generates braking force
corresponding to the brake
operation
■ABS (Anti-lock Brake Sys-
tem)
Helps to prevent wheel lock
when the brakes are applied
suddenly, or if the brakes are
applied while driving on a slip-
pery road surface
■Brake assist
Generates an increased level of
braking force after the brake
pedal is depressed when the
system detects a panic stop sit-
uation
■VSC (Vehicle Stability Con-
trol)
Helps the driver to control skid-
ding when swerving suddenly or
turning on slippery road sur-
faces.
■Enhanced VSC (Enhanced
Vehicle Stability Control)
Provides cooperative control of
the ABS, TRAC, VSC and EPS.
Helps to maintain directional
stability when swerving on slip-
pery road surfaces by con-
trolling steering performance.
■Trailer Sway Control
Helps the driver to control trailer
sway by selectively applying
brake pressure for individual
wheels and reducing driving
torque when trailer sway is
detected.
■TRAC (Traction Control)
Helps to maintain drive power
and prevent the drive wheels
from spinning when starting the
vehicle or accelerating on slip-
pery roads
■Active Cornering Assist
(ACA)
Helps to prevent the vehicle
from drifting to the outer side by
performing inner wheel brake
control when attempting to
accelerate while turning
■Hill-start assist control
Helps to reduce the backward
Driving assist systems
To keep driving safety and
performance, the following
systems operate automati-
cally in response to various
driving situations. Be
aware, however, that these
systems are supplementary
and should not be relied
upon too heavily when oper-
ating the vehicle.
Summary of the driving
assist systems

4085-5. Using the driving support systems
movement of the vehicle when
starting on an uphill
■EPS (Electric Power Steer-
ing)
Employs an electric motor to
reduce the amount of effort
needed to turn the steering
wheel.
■E-Four (Electronic On-
Demand AWD system)
Automatically controls the drive
system such as to front-wheel
drive or AWD (all wheel drive)
according to various running
conditions including normal driv-
ing, during cornering, on a
uphill, when starting off, during
acceleration, on a slippery roads
due to snow or rain, thus con-
tributing to stable operability and
driving stability.
■The Secondary Collision
Brake
When the SRS airbag sensor
detects a collision and the sys-
tem operates, the brakes and
brake lights are automatically
controlled to reduce the vehicle
speed and help reduce the pos-
sibility of further damage due to
a secondary collision.
■When the TRAC/VSC/ABS/Trail
Mode/Trailer Sway Control sys-
tems are operating
The slip indicator light will flash
while the TRAC/VSC/ABS/Trail
Mode/Trailer Sway Control systems
are operating.
■Disabling the TRAC system
If the vehicle gets stuck in mud, dirt
or snow, the TRAC system may
reduce power from the hybrid sys-
tem to the wheels.
Pressing to turn the system off
may make it easier for you to rock
the vehicle in order to free it.
To turn the TRAC system off,
quickly press and release .
The “Traction Control Turned OFF”
will be shown on the multi-informa-
tion display.
Press again to turn the system
back on.
■Turning off the
TRAC/VSC/Trailer Sway Con-
trol systems
To turn the TRAC/VSC/Trailer Sway
Control systems of f, press and hold
for more than 3 seconds while
the vehicle is stopped.
The VSC OFF indicator light will
come on and the “Traction Control
Turned OFF” will be shown on the
multi-informat ion display.
*
Press again to turn the systems

4095-5. Using the driving support systems
5
Driving
back on.
*: PCS (Pre-Collision System) will also be disabled (only pre-collision
warning is available). The PCS
warning light will come on and a
message will be dis played on the
multi-informat ion display.
(  P.350)
■When the message is dis-
played on the multi-information
display showing that TRAC has
been disabled even if has
not been pressed
TRAC is temporary deactivated. If
the information continues to show,
contact your Toyota dealer.
■Operating conditions of hill-
start assist control
When all of the follo wing conditions
are met, the hill-start assist control
will operate:
●The shift lever is in a position
other than P or N (when starting
off forward/backward on an
upward incline)
●The vehicle is stopped
●The accelerator pedal is not
depressed
●The parking brake is not engaged
●The power switch is in ON
■Automatic system cancelation
of hill-start as sist control
The hill-start assis t control will turn
off in any of the following situations:
●The shift lever is shifted to P or N
●The accelerator pedal is
depressed
●The brake pedal is depressed and
the parking brake is engaged
●A maximum of 2 seconds have
elapsed after the brake pedal is
released
●The power switch is turned to OFF
■Sounds and vibrations caused
by the ABS, brake assist, VSC,
Trailer Sway Control, TRAC and
hill-start assist control systems
●A sound may be heard from the
engine compartment when the
brake pedal is depressed repeat-
edly, when the h ybrid system is
started or just after the vehicle
begins to move. This sound does
not indicate that a malfunction has
occurred in any of these systems.
●Any of the following conditions
may occur when the above sys-
tems are operating. None of these
indicates that a malfunction has
occurred.
• Vibrations may be felt through the vehicle body and steering.
• A motor sound may be heard also after the vehicle comes to a stop.
■ECB operating sound
ECB operating sound may be heard
in the following cases, but it does
not indicate that a malfunction has
occurred.
●Operating sound heard from the
engine compartment when the
brake pedal is operated.
●Motor sound of the brake system
heard from the f ront part of the
vehicle when the driver’s door is
opened.
●Operating sound heard from the
engine compartment when one or
two minutes passed after the stop
of the hybrid system.
■Active Cornering Assist opera-
tion sounds and vibrations
When the Active Cornering Assist is
operated, operation sounds and
vibrations may be generated from
the brake system, but this is not a
malfunction.
■Automatic reactivation of
TRAC, Trailer Sway Control and
VSC systems
After turning the TRAC, Trailer
Sway Control and VSC systems off,

4105-5. Using the driving support systems
the systems will be automatically re-
enabled in the following situations:
●When the power switch is turned
off
●If only the TRAC system is turned
off, the TRAC will turn on when
vehicle speed increases.
If both the TRAC and VSC sys-
tems are turned off, automatic re-
enabling will not oc cur when vehi-
cle speed increases
■Operating conditions of Active
Cornering Assist
The system operates when the fol-
lowing occurs.
●TRAC/VSC can operate
●The driver is at tempting to accel-
erate while turning
●The system detects that the vehi-
cle is drifting to the outer side
●The brake pedal is released
■Reduced effectiveness of the
EPS system
The effectiveness of the EPS sys-
tem is reduced to prevent the sys-
tem from overheating when there is
frequent steering input over an
extended period of time. The steer-
ing wheel may feel heavy as a
result. Should this occur, refrain
from excessive steering input or
stop the vehicle and turn the hybrid
system off. The EPS system should
return to normal within 10 minutes.
■Secondary Collision Brake
operating conditions
The system operates when the SRS
airbag sensor de tects a collision
while the vehicle is in motion. How-
ever, the system does not operate
when the components are dam-
aged.
■Secondary Collision Brake
automatic cancellation
The system is automatically can-
celed in any of th e following situa-
tions.
●The vehicle speed drops to approximately 6 mph (10 km/h)
●A certain amount of time elapses
during operation
●The accelerator pedal is
depressed a large amount
■If a message about AWD is
shown on the multi-information
display (AWD models)
Perform the following actions.
●“AWD System Overheated
Switching to 2WD Mode”
AWD system is overheated. Stop
the vehicle in a safe place with the
hybrid system operating.
*
If the message disappears after a
while, there is no problem. If the
message remains, have the vehicle
inspected by your Toyota dealer
immediately.
●“AWD System Overheated 2WD
Mode Engaged”
AWD system has been temporarily
released and swit ched to front-
wheel drive due to overheating.
Stop the vehicle in a safe place with
the hybrid system operating.
*
If the message disappears after a
while, AWD syste m will automati-
cally recover. If the message
remains, have the vehicle inspected
by your Toyota dea ler immediately.
●“AWD System Malfunction 2WD
Mode Engaged Visit Your Dealer”
A malfunction oc curs in the AWD
system. Have the vehicle inspected
by your Toyota dea ler immediately.
*: When stopping the vehicle, do not
stop the hybrid system until the
display message has turned off.