4385-5. Using the driving support systems
■ECB (Electronically Con-
trolled Brake System)
The electronically controlled sys -
tem generates braking force corre -
sponding to the brake operation
■ABS (Anti-lock Brake System)
Helps to prevent wheel lock when
the brakes are applied suddenly, or
if the brakes are applied while driv -
ing on a slippery road surface
■Brake assist
Generates an increased level of
braking force after the brake pedal
is depressed when the system
detects a panic stop situation
■VSC (Vehicle Stability Control)
Helps the driver to control skidding
when swerving suddenly or turning
on slippery road surfaces.
■VSC+ (Vehicle Stability Con -
trol+)
Provides cooperative control of the
ABS, TRC, VSC and EPS.
Helps to maintain directional stabil -
ity when swerving on slippery road
surfaces by controlling steering per -
formance.
■Trailer Sway Control
Helps the driver t o control trailer
sway by selectively applying brake
pressure for individual wheels and
reducing driving torque when trailer
sway is detected.
■TRC (Traction Control)
Helps to maintain drive power and
prevent the drive wheels from spin -
ning when starting the vehicle or
accelerating on slippery roads
■Active Cornering Assist (ACA)
Helps to prevent t he vehicle from
drifting to the outer side by perform -
ing inner wheel brake control when
attempting to acc elerate while turn-
ing
■Hill-start assist control
Helps to reduce the backward
movement of the vehicle when
starting on an uphill
■EPS (Electric Po wer Steering)
Employs an electric motor to
reduce the amount of effort needed
to turn the steering wheel
Driving assist systems
To keep driving safety and per -
formance, the following sys -
tems operate aut omatically in
response to various driving sit -
uations. Be aware, however,
that these sys tems are supple-
mentary and should not be
relied upon too heavily when
operating the vehicle.
Summary of the driving
assist systems
4405-5. Using the driving support systems
System), PCS will also be disabled
(only Pre-Collision warning is avail -
able). The PCS warning light will
come on and a message will be dis -
played on the multi-information dis -
play. ( →P.361)
■When the message is displayed on
the multi-information display show -
ing that TRC has been disabled
even if has not been pressed
TRC is temporary deactivated. If the information continues to show, contact
any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer.
■Operating conditions of hill-start
assist control
When the following four conditions are met, the hill-start as sist control will oper-
ate:
●The shift lever is in a position other
than P or N (when starting off for-
ward/backward on an upward incline).
●The vehicle is stopped.
●The accelerator pedal is not
depressed.
●The parking brake is not engaged.
■Automatic system cancelation of
hill-start assist control
The hill-start assist 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 parking brak e is engaged.
●No more than 2 seconds have elapsed after the brake pedal is
released.
■Sounds and vibrations caused by
the ABS, brake assist, VSC, Trailer Sway Control, TRC and hill-start
assist control systems
●A sound may be heard from the
engine compartment when the brake
pedal is depressed repeatedly, when
the hybrid system i s started or just
after the vehicle beg ins to move. This sound does not indicate that a mal -
function has occurred in any of these
systems.
●Any of the followin g conditions may
occur when the a bove systems 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 indi-
cate that a malfun ction has occurred.
●Operating sound heard from the
engine compartment when the brake pedal is operated.
●Motor sound of the brake system heard from the front part of the vehicle
when the driver’ 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 operation
sounds and vibrations
When the Active Cornering Assist is operated, operation sounds and vibra -
tions may be generat ed from the brake
system, but thi s is not a malfunction.
■EPS operation sound
When the steering wheel is operated, a
motor sound (whirring sound) may be
heard. This does not indicate a malfunc - tion.
■Automatic reacti vation of TRC,
Trailer Sway Control and VSC sys -
tems
After turning the TRC, Trailer Sway Control and VSC systems off, the sys -
tems will be automati cally re-enabled in
the following situations:
●When the power switch is turned off.
●If only the TRC syst em is turned off,
445
5
5-6. Driving tips
Driving
5-6.Driving tips
Use fluids that are appropriate to
the prevailing outside tempera-
tures.
• Engine oil
• Engine coolant
• Power control unit coolant
• Washer fluid
Have a service technician
inspect the condition of the 12-
volt battery.
Have the vehicle fitted with four
snow tires or purchase a set of
tire chains for the front tires.
Ensure that all tires are the same size
and brand, and that chains match the
size of the tires.*
*: Tire chains cannot be mounted on
vehicles with 235/55R19 tires.
Winter driving tips
Carry out the necessary prepa -
rations and inspections before
driving the vehicle in winter.
Always drive the vehicle in a
manner appropriate to the pre -
vailing weather conditions.
Pre-winter preparations
WARNING
■Driving with snow tires
Observe the following precautions to reduce the risk of accidents.
Failure to do so may result in a loss of
vehicle control and cause death or serious injury.
●Use tires of the specified size.
●Maintain the recommended level of air pressure.
●Do not drive at speeds in excess of the speed limit or the speed limit
specified for the snow tires being
used.
●Use snow tires on all, not just some
wheels.
■Driving with tire chains (except
235/55R19 tires)
Observe the following precautions to
reduce the risk of accidents.
Failure to do so may result in the vehi - cle being unable to be driven safely,
and may cause death or serious
injury.
●Do not drive in excess of the speed
limit specified for the tire chains being used, or 50 km/h (30 mph),
whichever is lower.
●Avoid driving on bumpy road sur -
faces or over potholes.
●Avoid sudden acceleration, abrupt
steering, sudden br aking and shift-
ing operations that cause sudden engine braking.
●Slow down sufficiently before enter - ing a curve to ensure that vehicle
control is maintained.
●Do not use LTA (Lane Tracing
Assist) system (if equipped).
NOTICE
■Repairing or replacing snow tires
Request repairs or replacement of snow tires from any authorized
Toyota retailer or Toyota authorized
repairer, or any reliable repairer or legitimate tire retailers.
This is because the removal and
attachment of snow tires affects the operation of the tire pressure warning
valves and transmitters.
4626-1. Using the air conditioning system and defogger
*: If equipped
Turns the heated steering wheel
on/off
The indicator light comes on when the
heated steering wheel is operating.
■Operation condition
The power switch is in ON.
Heated steering
wheel*/Front seat heat-
ers*/Front seat heaters
and ventilators*/Rear
seat heaters
Heated steering wheel
Warm up the grip of the steering
wheel
Front seat heaters
Warm up the fr ont seat uphol-
stery
Front seat ventilators
Maintain good ventilation by pull -
ing air through the Front seat
upholstery
Rear seat heaters
Warm up the rear seat upholstery
WARNING
■To prevent minor burn injuries
Care should be taken if anyone in the
following categories comes in contact with the steering wheel or seats when
the heater is on:
●Babies, small children, the elderly, the sick and the p hysically chal-
lenged
●Persons with sensitive skin
●Persons who are fatigued
●Persons who have taken alcohol or
drugs that induce sleep (sleeping drugs, cold remedies, etc.)
■To prevent causes of overheat - ing and minor burn injuries
Observe the following precautions
when using a seat heater:
●Do not cover the seat with a blanket
or cushion when using the seat
heater.
●Do not use seat heater more than
necessary.
NOTICE
■To prevent damage to the seat heaters and seat ventilators
Do not put heavy objects that have an
uneven surface on the seat and do not stick sharp objects (needles,
nails, etc.) into the seat.
■To prevent 12-volt battery dis -
charge
Do not use the functions when the hybrid system is off.
Heated steering wheel
5127-3. Do-it-yourself maintenance
3Press or of the meter
control switches on the steering
wheel and select .
4 Press or of the meter
control switches and select
“Vehicle Settings”, and then
press and hold .
5 Press or of the meter
control switches and select
“TPWS”, and then press .
6 Press or to select “Set-
ting Unit”.
7 Press or to select the
desired unit and then press .
■Routine tire inflation pressure checks
The tire pressure w arning system does
not replace routine tire inflation pressure checks. Make sure to check tire inflation
pressure as part of your routine of daily
vehicle checks.
■Tire inflation pressure
●It may take a few minutes to display
the tire inflation pressure after the
power switch is turned to ON. It may also take a few minutes to display the
tire inflation pressu re after inflation
pressure has been adjusted.
●Tire inflation pre ssure changes with
temperature. The displayed values may also be different from the values
measured using a tire pressure
gauge.
■Situations in which the tire pres - sure warning system may not oper -
ate properly
●In the following cases, the tire pres -
sure warning system may not operate
properly. • If non-genuine Toyota wheels are
used.
• A tire has been r eplaced with a tire that is not an OE (Original Equipment)
tire.
• A tire has been r eplaced with a tire that is not of the specified size.
• Tire chains, etc. are equipped.
• An auxiliary-supporte d run-flat tire is equipped.
• If a window tint tha t affects the radio
wave signals is installed. • If there is a lot of snow or ice on the
vehicle, particularly around the wheels
or wheel housings. • If the tire inflation pressure is
extremely higher t han the specified
level. • If wheels without tire pressure warning
valves and transmitters are used.
• If the ID code on the tire pressure warning valves and transmitters is not
registered in the tire pressure warning
computer.
●Performance may be affected in the
following situations. • Near a TV tower, electric power plant,
gas station, radio station, large dis -
play, airport or ot her facility that gen- erates strong radio waves or electrical
noise
• When carrying a port able radio, cellu-
lar phone, cordless phone or other wireless communication device
If tire position information is not cor -
rectly displayed due to the radio wave conditions, the display may be cor -
rected by driving and changing the
radio wave conditions.
●When the vehicle is parked, the time
5247-3. Do-it-yourself maintenance
2Adjust the tire inflation pressure
to the specified cold tire inflation
pressure level. ( →P.624)
Make sure to adjust the tire pressure to
the specified cold tire inflation pressure level. The tire pressure warning system
will operate based o n this pressure
level.
3 Start the hybrid system.
4 Press or of the meter
control switches on the steering
wheel and select .
5 Press or of the meter
control switches, select “Vehi -
cle Settings” and then press and
hold .
6 Press or of the meter
control switches, select “TPWS”
and then press .
7 Press or of the meter
control switches, select the “Set -
ting Pressure”. Then press and
hold .
“Set Pressure Accepted” will be dis -
played on the multi-information display
and the tire pressure warning light will blink 3 times.
When the message disappears, initial -
ization is complete.
A message is displayed on the multi-
information display. Also, “--” is dis - played for inflation pressure of each tire
on the multi-informat ion display while
the tire pressure w arning system deter- mines the position.
8 Drive straight (with occasional
left and right turns) at approxi -
mately 40 km/h (25mph) or
more for approximately 10 to 30
minutes.
When initialization is complete, the inflation pressure of each tire will be
displayed on the multi-information dis -
play.
Even if the vehicle is not driven at
approximately 40 k m/h (25 mph) or
more, initialization can be completed by driving for a long time. However, if ini -
tialization does not complete after driv-
ing for 1 hour or mor e, park the vehicle in a safe place for approximately 20
minutes and then drive the vehicle
again.
■When initializing
●Initialization is performed while driving at a vehicle speed of approximately
40 km/h (25 mph) or more.
●Make sure to carry out initialization
after adjusting the tire inflation pres -
sure. Also, make s ure the tires are
cold before carrying out initialization or tire inflation pressure adjustment.
●The tire pressure warning system can be initialized by yourself, but depend -
ing on the driving conditions and driv -
ing environment, initialization may take some time to complete.
■The initialization operation
●If you have accident ally turned the power switch to OFF during initializa -
tion, it is not necessary to restart the
initialization again as initialization will restart automatically when the power
switch has been tu rned to ON for the
next time.
561
8
8-1. Essential information
When trouble arises
it briefly 3 times or more in succession.
5Stop the vehicle in a safe place
by the road.
■If emergency stopped
The functions of the air conditioning, etc.
may be partially limited in order to reduce the power consumption of the
12-volt battery.
Remove the seat belt first.
If the door can be opened, open
the door and exit the vehicle.
If the door can not be opened,
open the window using the
power window s witch and exit
the vehicle through the window.
If the window can not be opened
using the power window switch,
remain calm, wait until the water
level inside the vehicle rises to
the point that the water pressure
inside of the vehicle equals the
water pressure o utside of the
vehicle, and then open the door
and exit the vehicle.
WARNING
■If the hybrid system has to be
turned off while driving
Turning the hybrid system off while
driving will not c ause a loss of steer-
ing or braking control. However, power assist for the steering wheel
may be lost making it difficult to steer
smoothly before st opping the vehicle depending on the remaining charge in
the 12-volt battery or usage condi-
tions. Decelerate as much as possible before turning off the hybrid system.
If the vehicle is trapped
in rising water
In the event the vehicle is sub-
merged in wate r, remain calm
and perform the following.
WARNING
■Using an emergency hammer* f o r
emergency escape
The rear side windows and rear win - dow of this vehicl e can be shattered
by an emergency hammer* used for
emergency escape, however, since the windshield and front side windows
are laminated glass they can not be
shattered by an emergency hammer*.*: Contact any authorized Toyota
retailer or Toyota authorized
repairer, or any reliable repairer, or
aftermarket accessory manufac -
turer for further information about
an emergency hammer.
5648-2. Steps to take in an emergency
The following may indicate a prob-
lem with your transmission. Contact
any authorized Toyota retailer or
Toyota authorized repairer, or any
reliable repairer or commercial tow -
ing service before towing.
The hybrid system warning mes-
sage is shown on the multi-infor -
mation display and the vehicle
does not move.
The vehicle makes an abnormal
sound.
From the front
Use a towing dolly under the rear
wheels.
From the rear
Use a towing dolly under the front
wheels.
NOTICE
■To prevent damage to the vehicle
when towing using a wheel-lift
type truck
●Do not tow the vehicle from the rear
when the power switch is off. The
steering lock mechanism is not strong enough to hold the front
wheels straight.
●When raising the vehicle, ensure adequate ground clearance for tow -
ing at the opposite end of the raised
vehicle. Without adequate clear - ance, the vehicle could be dam -
aged while being towed.
■To prevent damage to the vehicle
when towing with a sling-type
truck
Do not tow with a sling-type truck,
either from the front or rear.
■To prevent damage to the vehicle
during emergency towing
Do not secure cables or chains to the suspension components.
Situations when it is neces -
sary to contact dealers
before towing
Towing with a wheel-lift type
truck
NOTICE
■Towing with a sling-type truck
Do not tow with a s ling-type truck to prevent body damage.