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4-1. Before driving
WARNING
■Trailer towing precautions
When towing, make sure that none of
the weight limits are exceeded. ( P.167)
■Vehicle speed in towing
Observe the legal maximum speeds for trailer towing.
■Before descending hills or long declines
Reduce speed and downshift. How- ever, never downshift suddenly while descending steep or long downhill
grades.
■Operation of the brake pedal
Do not hold the brake pedal depressed often or for long periods of time. Doing so may result in the brake
overheating or reduce braking effects.
■To avoid accident or injury
●Vehicles with a compact spare tire: Do not tow a trailer when the com-pact spare tire is installed on your
vehicle.
●Vehicles with the emergency tire
puncture repair kit: Do not tow a trailer when the tire installed is repaired with the emergency tire
puncture repair kit.
●Vehicles with a Dynamic radar
cruise control: Do not use dynamic radar cruise control when you are towing.
NOTICE
■Do not directly splice trailer lights
Directly splicing trailer lights may damage your vehicle’s electrical sys-tem and cause a malfunction.
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4-3. Operating the lights and wipers
Driving
• The brightness of headlights, fog
lights, and tail lights of vehicles ahead • The movement and direction of vehi-cles ahead
• When a vehicle ahead only has oper- ational lights on one side• When a vehicle ahead is a two-
wheeled vehicle • The condition of the road (gradient, curve, condition of the road surface,
etc.) • The number of passengers and amount of luggage
●The light distribution control of the headlights may change unexpectedly.
●Bicycles or similar objects may not be detected.
●In the following situations the system may not be able to correctly detect the
surrounding brightness level. This may cause the low beams to remain on or the high beams to flash or daz-
zle pedestrians or vehicles ahead. In such a case, it is necessary to manu-ally switch between the high and low
beams. • When driving in inclement weather (heavy rain, snow, fog, sandstorms,
etc.) • When the windshield is obscured by fog, mist, ice, dirt, etc.
• When the windshield is cracked or damaged• When the front camera is deformed or
dirty • When the temperature of the front camera is extremely high
• When the surrounding brightness level is equal to that of headlights, tail lights or fog lights
• When headlights or tail lights of vehi- cles ahead are turned off, dirty, chang-ing color, or not aimed properly
• When the vehicle is hit by water, snow, dust, etc., from a preceding vehicle
• When driving through an area of inter- mittently changing brightness and darkness
• When frequently and repeatedly driv- ing ascending/descending roads, or
roads with rough, bumpy or uneven
surfaces (such as stone-paved roads, gravel roads, etc.)• When frequently and repeatedly tak-
ing curves or driving on a winding road• When there is a highly reflective
object ahead of the vehicle, such as a sign or mirror• When the back of a preceding vehicle
is highly reflective, such as a con- tainer on a truck• When the vehicle’s headlights are
damaged or dirty, or are not aimed properly• When the vehicle is listing or tilting
due to a flat tire, a trailer being towed, etc.• When the headlights are changed
between the high beams and low beams repeatedly in an abnormal manner
• When the driver believes that the high beams may be flashing or dazzling pedestrians or other drivers
• When the vehicle is used in an area in which vehicles travel on the opposite side of the road of the country for
which the vehicle was designed, for example using a vehicle designed for right-hand traffic in a left-hand traffic
area, or vice versa
■Customization
Some functions can be customized. ( P.457)
■Switching to the high beams
Push the lever away from you.
The AHS indicator will turn off and the
high beam indicator will turn on.
Pull the lever to its original position to
activate the Adaptive High-beam Sys-
tem.
Turning the high beams
on/off manually
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4-3. Operating the lights and wipers
• When vehicles ahead cannot be
detected due to repeated curves, road dividers or roadside trees• When vehicles ahead appear in a far-
away lane on a wide road • When the lights of vehicles ahead are not on
●The high beams may be turned off if a vehicle ahead that is using fog lights
without its headlights turned on is detected.
●House lights, streetlights, traffic sig-nals, and illuminated billboards or signs and other reflective objects may
cause the high beams to change to the low beams, or the low beams to remain on.
●The following factors may affect the amount of time taken for the high
beams to turn on or off: • The brightness of the headlights, fog lights, and tail lights of vehicles ahead
• The movement and direction of vehi- cles ahead• When a vehicle ahead only has oper-
ational lights on one side • When a vehicle ahead is a two-wheeled vehicle
• The condition of the road (gradient, curve, condition of the road surface, etc.)
• The number of passengers and amount of luggage in the vehicle
●The high beams may turn on or off unexpectedly.
●Bicycles or similar vehicles may not be detected.
●In the following situations the system may not be able to correctly detect the surrounding brightness level. This
may cause the low beams to remain on or the high beams to flash or daz-zle pedestrians or vehicles ahead. In
such a case, it is necessary to manu- ally switch between the high and low beams.
• When driving in inclement weather (heavy rain, snow, fog, sandstorms, etc.)
• When the windshield is obscured by
fog, mist, ice, dirt, etc.
• When the windshield is cracked or damaged• When the front camera is deformed or
dirty • When the temperature of the front camera is extremely high
• When the surrounding brightness level is equal to that of headlights, tail lights or fog lights
• When headlights or tail lights of vehi- cles ahead are turned off, dirty, chang-ing color, or not aimed properly
• When the vehicle is hit by water, snow, dust, etc., from a preceding vehicle
• When driving through an area of inter- mittently changing brightness and darkness
• When frequently and repeatedly driv- ing ascending/descending roads, or roads with rough, bumpy or uneven
surfaces (such as stone-paved roads, gravel roads, etc.)• When frequently and repeatedly tak-
ing curves or driving on a winding road• When there is a highly reflective
object ahead of the vehicle, such as a sign or mirror• When the back of a preceding vehicle
is highly reflective, such as a con- tainer on a truck• When the vehicle’s headlights are
damaged or dirty, or are not aimed properly• When the vehicle is listing or titling
due to a flat tire, a trailer being towed, etc.• When the headlights are changed
between the high beams and low beams repeatedly in an abnormal manner
• When the driver believes that the high beams may be flashing or dazzling pedestrians or other drivers
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4-5. Using the driving support systems
• When part of a detectable object is
hidden by an object, such as large baggage, an umbrella, or guardrail• When there are many things which
can reflect the radio waves of the radar in the vicinity (tunnels, truss bridges, gravel roads, snow covered
road that have tracks, etc.) • When there is an effect on the radio waves to the radar that is installed on
another vehicle • When multiple detectable objects are close together
• If the sun or other light is shining directly on a detectable object• When a detectable object is a shade
of white and looks extremely bright • When a detectable object appears to be nearly the same color or brightness
as its surroundings • If a detectable object cuts or suddenly emerges in front of your vehicle
• When the front of your vehicle is hit by water, snow, dust, etc.• When a very bright light ahead, such
as the sun or the headlights of oncom- ing traffic, shines directly into the front camera
• When approaching the side or front of a vehicle ahead• If a vehicle ahead is a motorcycle or
bicycle (for region C) • If a vehicle ahead is narrow, such as a personal mobility vehicle
• If a preceding vehicle has a small rear end, such as an unloaded truck• If a preceding vehicle has a low rear
end, such as a low bed trailer
• If a vehicle ahead has extremely high
ground clearance
• If a vehicle ahead is carrying a load
which protrudes past its rear bumper • If a vehicle ahead is irregularly shaped, such as a tractor or side car
• For region A and B: If a vehicle ahead is a child sized bicycle, a bicycle that is carrying a large load, a bicycle rid-
den by more than one person, or a uniquely shaped bicycle (bicycle with a child seat, tandem bicycle, etc.)
• For region A and B: If a pedestrian/or the riding height of a bicyclist ahead is shorter than approximately 1 m (3.2
ft.) or taller than approximately 2 m (6.5 ft.)• For region A and B: If a pedes-
trian/bicyclist is wearing oversized clothing (a rain coat, long skirt, etc.), making their silhouette obscure
• For region A and B: If a pedestrian is bending forward or squatting or bicy-clist is bending forward
• For region A and B: If a pedes- trian/bicyclist is moving fast• For region A and B: If a pedestrian is
pushing a stroller, wheelchair, bicycle or other vehicle• When driving in inclement weather
such as heavy rain, fog, snow or a sandstorm• When driving through steam or smoke
• When the surrounding area is dim, such as at dawn or dusk, or while at night or in a tunnel, making a detect-
able object appear to be nearly the same color as its surroundings• When driving in a place where the sur-
rounding brightness changes sud- denly, such as at the entrance or exit of a tunnel
• After the engine has started the vehi- cle has not been driven for a certain amount of time
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4-5. Using the driving support systems
Driving
WARNING
■Before using LTA system
●Do not rely solely upon the LTA sys-
tem. The LTA system does not automatically drive the vehicle or reduce the amount of attention that
must be paid to the area in front of the vehicle. The driver must always assume full responsibility for driving
safely by paying careful attention to the surrounding conditions and operating the steering wheel to cor-
rect the path of the vehicle. Also, the driver must take adequate breaks when fatigued, such as from
driving for a long period of time.
●Failure to perform appropriate driv-
ing operations and pay careful attention may lead to an accident, resulting in death or serious injury.
■Situations unsuitable for LTA system
In the following situations, use the LTA switch to turn the system off. Fail-ure to do so may lead to an accident,
resulting in death or serious injury.
●Vehicle is driven on a road surface
which is slippery due to rainy weather, fallen snow, freezing, etc.
●Vehicle is driven on a snow-cov-ered road.
●White (yellow) lines are difficult to see due to rain, snow, fog, dust, etc.
●Vehicle is driven in a temporary lane or restricted lane due to con-
struction work.
●Vehicle is driven in a construction
zone.
●A spare tire, tire chains, etc., are
equipped.
●When the tires have been exces-
sively worn, or when the tire infla- tion pressure is low.
●When your vehicle is towing a trailer or during emergency towing.
■Preventing LTA system malfunc-tions and operations performed by mistake
●Do not modify the headlights or place stickers, etc., on the surface of the lights.
●Do not modify the suspension, etc. If the suspension, etc., needs to be
replaced, contact any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
●Do not install or place anything on the hood or grille. Also, do not
install a grille guard (bull bars, kan- garoo bar, etc.).
●If your windshield needs repairs, contact any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
■Conditions in which functions
may not operate properly
In the following situations, the func- tions may not operate properly and
the vehicle may depart from its lane. Drive safely by always paying careful attention to your surroundings and
operate the steering wheel to correct the path of the vehicle without relying solely on the functions.
●When the follow-up cruising dis-play is displayed ( P.234) and the
preceding vehicle changes lanes. (Your vehicle may follow the pre-ceding vehicle and also change
lanes.)
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4-5. Using the driving support systems
WARNING
■Situations unsuitable for dynamic radar cruise control
with full-speed range
Do not use dynamic radar cruise con- trol with full-speed range in any of the
following situations. Doing so may result in inappropriate speed control and could cause an accident resulting
in death or serious injury.
●Roads where there are pedestrians,
cyclists, 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 steep downhills, or where there
are sudden changes between sharp up and down gradients
Vehicle speed may exceed the set
speed when driving down a steep hill.
●At entrances to freeways and high- ways
●When weather conditions are bad enough that they may prevent the
sensors from detecting correctly (fog, snow, sandstorm, heavy rain, etc.)
●When there is rain, snow, etc., on the front surface of the radar or
front camera
●In traffic conditions that require fre-
quent repeated acceleration and deceleration
●When your vehicle is towing a trailer or during emergency towing
●When an approach warning buzzer is heard often
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4-5. Using the driving support systems
tions:
●Actual vehicle speed is more than approximately 16 km/h (10 mph)
below the set vehicle speed.
●Actual vehicle speed falls below
approximately 30 km/h (20 mph).
●VSC is activated.
●TRC is activated for a period of time.
●When the VSC or TRC system is turned off.
●When the brake control or output restriction control of a driving support system operates.
(For example: Pre-Collision System, Drive-Start Control)
●The parking brake is operated.
If constant speed control mode is auto- matically canceled for any reasons other
than the above, there may be a malfunc- tion in the system. Contact any autho-rized Toyota retailer or Toyota
authorized repairer, or any reliable repairer.
■The Dynamic Radar Cruise Control with Road Sign Assist may not
operate properly when (if equipped)
As the Dynamic Radar Cruise Control
with Road Sign Assist may not operate properly in conditions in which RSA may not operate or detect correctly
( P.266), when using this function, make sure to check the speed limit sign displayed.
In the following situations, the set speed may not be changed to the recognized speed limit by pressing and holding the
“+RES”/“-SET” switch.
●If speed limit information is not avail-
able
●When the recognized speed limit is
the same as the set speed
●When the recognized speed limit is
outside of the speed range that the dynamic radar cruise control system can operate
■Brake operation
A brake operation sound may be heard and the brake pedal response may change, but these are not malfunctions.
■Warning messages and buzzers for
dynamic radar cruise control with full-speed range
Warning messages and buzzers are
used to indicate a system malfunction or to inform the driver of the need for cau-tion while driving. If a warning message
is shown on the multi-information dis- play, read the message and follow the instructions. ( P.215, 413)
■When the sensor may not be cor-
rectly detecting the vehicle ahead
In the case of the following and depend- ing on the conditions, operate the brake
pedal when deceleration of the system is insufficient or operate the accelerator pedal when acceleration is required.
As the sensor may not be able to cor- rectly detect these types of vehicles, the approach warning ( P.245) may not be
activated.
●Vehicles that cut in suddenly
●Vehicles traveling at low speeds
●Vehicles that are not moving in the same lane
●Vehicles with small rear ends (trailers with no load on board, etc.)
●Motorcycles traveling in the same lane
●When water or snow thrown up by the
surrounding vehicles hinders the detecting of the sensor
●When your vehicle is pointing upwards (caused by a heavy load in the luggage compartment, etc.)
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4-5. Using the driving support systems
This mode employs a radar to detect the presence of vehicles up to approx-
imately 100 m (328 ft.) ahead, d etermines the current vehicle-to-vehicle fol-
lowing distance, and operates to maintain a suitable following distance from
the vehicle ahead. The desired vehicle-to-vehicle distance can also be set
by operating the vehicle-to-vehicle distance switch.
When driving on downhill slopes, the vehicle-to-vehicle distanc e may become
shorter.
WARNING
●On steep downhills, or where there are sudden changes between sharp
up and down gradients
Vehicle speed may exceed the set speed when driving down a steep hill.
●At entrances to freeways and high-ways
●When weather conditions are bad enough that they may prevent the
sensors from detecting correctly (fog, snow, sandstorm, heavy rain, etc.)
●When there is rain, snow, etc., on the front surface of the radar or
front camera
●In traffic conditions that require fre-
quent repeated acceleration and deceleration
●When your vehicle is towing a trailer or during emergency towing
●When an approach warning buzzer is heard often
Driving in vehicle-to-vehicle distance control mode