ABS LEXUS RX450h 2016 Owners Manual

85 1
For safety and security
RX450h_U_OM0E013U 1-4. Theft deterrent system
The indicator light flashes after the
power switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the power switch has been turned to
ACCESSORY or ON mode to indi-
cate that the system has been canceled. ■
System maintenance
The vehicle has a maintenance-free type immobilizer system. ■
Conditions that may cause the system to malfunction ●
If the grip portion of the key is in contact with a metallic object●
If the key is in close proximity to or touching a key registered to the security system (key
with a built-in transponder chip) of another vehicleImmobilizer system The vehicle’s keys have built-in transponder chips that prevent the hybrid sys-
tem from starting if a key has not been previously registered in the vehicle’s
on-board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
This system is designed to help prev ent vehicle theft but does not guarantee
absolute security against all vehicle thefts.

932. Instrument cluster
2
Instrument cluster
RX450h_U_OM0E013U Warning lights inform the driver of malfun ctions in any of the vehicle’s systems.
Warning lights * 1
(U.S.A.)
Brake system warning light
(  P. 5 3 6 )
* 1
(Canada)
ABS warning light
(  P. 5 3 7 )
* 1
(Canada)
Brake system warning light
(  P. 5 3 6 )
* 2
(U.S.A.)
Parking brake indicator
(  P. 5 3 7 )
* 1
Brake system warning light
(  P. 5 3 6 )
* 2
(Canada)
Parking brake indicator
(  P. 5 3 7 )
* 1
(if equipped)
Charging system warning
light (  P. 5 3 6 ) * 1, 2
Brake hold operated
indicator (  P. 5 3 7 )
* 1
(U.S.A.)
Malfunction indicator lamp
(  P. 5 3 6 ) * 1
Electric power steering
system warning light
(  P. 5 3 7 )
* 1
(Canada)
Malfunction indicator lamp
(  P. 5 3 6 ) * 1
Electric power steering
system warning light
(  P. 5 3 7 )
* 1
SRS warning light
(  P. 5 3 6 ) (if equipped)
LDA indicator (  P. 5 3 7 )
LKA indicator (  P. 5 3 7 )
* 1
(U.S.A.)
ABS warning light
(  P. 5 3 7 ) * 1
Slip indicator (  P. 5 3 7 )

96 2. Instrument cluster
RX450h_U_OM0E013U 
F SPORT models
* 1
: These lights turn on when the power switch is turned to the ON mode to indicate that
a system check is being performed. They will turn off after the hybrid system is on, or
after a few seconds. There may be a malfunctio n in a system if the lights do not turn on,
or turn off. Have the vehicle inspected by your Lexus dealer.
* 2
: In order to confirm operation, the BSM outside rear view mirror indicators illuminate
in the following situations:
• When the BSM function is enabled on of the multi-information display, the
power switch is turned to ON mode.
• When the power switch is in ON mode, th e BSM function is enabled on of the
multi-information display.
If the system is functioning correctly, the BSM outside rear view mirror indicators will
turn off after a few seconds.
If the BSM outside rear view mirror indica tors do not illuminate or do not turn off,
there may be a malfunction in the system.
If this occurs, have the vehicle inspected by your Lexus dealer.
* 3
: This light illuminates on the outside rear view mirrors.
* 4
: The light flashes to indicate that the system is operating.
* 5
: The light comes on when the system is turned off.
* 6
: This light illuminates on the center panel.
* 7
: When the outside temperature is approximately 37  F (3  C) or lower, the indicator
will flash for approximately 10 seconds, then stay on.Eco drive mode indicator
(  P. 377) “SPORT S” indicator
(  P. 377)
“SPORT S+” indicator
(  P. 377) “CUSTOMIZE” indicator
(  P. 377)
EV drive mode indicator
(  P. 2 3 7 )
WA R N I N G ■
If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS warning light not come on when
you start the hybrid system, this could mean that these systems are not available to help
protect you in an accident, which could result in death or serious injury. Have the vehi-
cle inspected by your Lexus dealer immediately if this occurs.

2254-1. Before driving
4
Driving
RX450h_U_OM0E013U ●
To maintain engine braking efficiency and charging system performance
when using engine braking, do no t put the transmission in D. (  P. 2 3 9 )●
Instability happens more frequently when descending steep or long downhill
grades. Before descending, slow down and downshift. Do not make sudden
downshifts while descending steep or long downhill grades. ●
Avoid holding the brake pedal down too long or applying the brakes too fre-
quently. This could cause the brakes to overheat and result in reduced braking
efficiency. ●
Due to the added load of the trailer, yo ur vehicle’s engine may overheat on hot
days (at temperatures over 85  F [30  C]) when driving up a long or steep
grade. If the engine coolant temperat ure gauge indicates overheating, imme-
diately turn off the air cond itioning (if in use), pull your vehicle off the road and
stop in a safe spot. (  P. 5 74 )●
Always place wheel blocks under both the vehicle’s and the trailer’s wheels
when parking. Put the transmission in P and apply the parking brake. Avoid
parking on a slope, but if unavoidable, do so only after performing the follow-
ing:
Apply the brakes and keep them applied.
Have someone place wheel blocks under both the vehicle’s and trailer’s
wheels.
When the wheel blocks are in place, release the brakes slowly until the
blocks absorb the load.
Shift into P and apply the parking brake.
Turn off the hybrid system.●
When restarting after parking on a slope:
With the transmission in P, start the hybrid system. Be sure to keep the
brake pedal depressed.
Shift into a forward gear. If reversing, shift into R.
If the parking brake is in manual mode, release the parking brake.
(  P. 2 4 6 )
Release the brake pedal, and slowly pull or back away from the wheel
blocks. Stop and apply the brakes.
Have someone retrieve the blocks. 1
2
3
4
5
1
2
3
4
5

280 4-5. Using the driving support systems
RX450h_U_OM0E013U ◆ Pre-collision warning
When the system determines that
the possibility of a frontal collision is
high, a buzzer will sound and a warn-
ing message will be displayed on the
multi-information display to urge the
driver to take evasive action.
◆ Pre-collision brake assist
When the system determines that the po ssibility of a frontal collision is high,
the system applies greater braking force in relation to how strongly the brake
pedal is depressed.
◆ Pre-collision braking
* 3
When the system determines that the po ssibility of a frontal collision is high,
the system warns the driver. If the system determines that the possibility of a
collision is extremely high, the brakes are automatically applied to help avoid
the collision or reduce the collision speed.
* 3
: Depending on the region in which the vehi cle was sold, the pre-collision braking func-
tion may not be available.
◆ Suspension control (if equipped)
When the system determines that the po ssibility of a frontal collision is high,
the Adaptive Variable Suspension System (  P. 382) will control the damping
force of the shock absorbers.

298 4-5. Using the driving support systems
RX450h_U_OM0E013U ■
Operation conditions of each function ●
Lane departure alert function
This function operates when all of the following conditions are met.
• LKA is turned on.
• Vehicle speed is approximately 32 mph (50 km/h) or more.
• System recognizes white (yellow) lines.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• Turn signal lever is not operated.
• Vehicle is driven on a straight road or around a gentle curve with a radius of more
than approximately 492 ft. (150 m).
• No system malfunctions are detected. (  P. 5 3 6 )●
Steering assist function
This function operates when all of the foll owing conditions are met in addition to the
operation conditions for the lane departure alert function.
• Setting for “Steering Assist” in of the multi-information display is set to “On”.
(  P. 1 0 9 )
• Vehicle is not accelerated or decelerated by a fixed amount or more.
• Steering wheel is not operated with a st eering force level suitable for changing
lanes.
• ABS, VSC, TRAC and PCS are not operating.
• TRAC or VSC is not turned off. ●
Ve h i c l e s w a y w a r n i n g
This function operates when all of the following conditions are met.
• Setting for “Sway Warning” in of the multi-information display is set to “On”.
(  P. 1 0 9 )
• Vehicle speed is approximately 32 mph (50 km/h) or more.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• No system malfunctions are detected. (  P. 5 3 6 )●
Lane centering function
This function operates when all of the following conditions are met.
• LKA is turned on.
• Setting for “Lane Center” in of the mu lti-information display are set to “On”.
(  P. 1 0 9 )
• System recognizes white (yellow) lines.
• Dynamic radar cruise control with full-speed range is operating.
• Width of traffic lane is approximat ely 8.2 to 13.5 ft. (2.5 to 4.1 m).
• Turn signal lever is not operated.
• Vehicle is driven on a straight road or around a gentle curve with a radius of more
than approximately 656 ft. (200 m).
• No system malfunctions are detected. (  P. 5 3 6 )
• Vehicle does not accelerate or decelerate by a fixed amount or more.
• Steering wheel is not operated with a st eering force level suitable for changing
lanes.
• ABS, VSC, TRAC and PCS are not operating.
• TRAC or VSC is not turned off.
• Steering assist function is not operating.

3074-5. Using the driving support systems
4
Driving
RX450h_U_OM0E013U ■
Operation conditions of each function ●
Lane departure alert function
This function operates when all of the following conditions are met.
• LDA is turned on.
• Vehicle speed is approximately 32 mph (50 km/h) or more.
• System recognizes white (yellow) lines.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• Turn signal lever is not operated.
• Vehicle is driven on a straight road or around a gentle curve with a radius of more
than approximately 492 ft. (150 m).
• No system malfunctions are detected. (  P. 5 3 6 )●
Steering assist function
This function operates when all of the foll owing conditions are met in addition to the
operation conditions for the lane departure alert function.
• Setting for “Steering Assist” in of the multi-information display is set to “On”.
(  P. 1 0 9 )
• Vehicle is not accelerated or decelerated by a fixed amount or more.
• Steering wheel is not operated with a st eering force level suitable for changing
lanes.
• ABS, VSC, TRAC and PCS are not operating.
• TRAC or VSC is not turned off. ●
Ve h i c l e s w a y w a r n i n g
This function operates when all of the following conditions are met.
• Setting for “Sway Warning” in of the multi-information display is set to “On”.
(  P. 1 0 9 )
• Vehicle speed is approximately 32 mph (50 km/h) or more.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• No system malfunctions are detected. (  P. 5 3 6 )

312 4-5. Using the driving support systems
RX450h_U_OM0E013U WA R N I N G ■
Before using dynamic radar cruise control with full-speed range
Driving safely is the sole responsibility of th e driver. Do not rely solely on the system,
and drive safely by always paying ca reful attention to your surroundings.
The dynamic radar cruise control with full- speed range provides driving assistance to
reduce the driver's burden. However, there are limitations to the assistance provided.
Even when the system is functioning normal ly, the condition of the preceding vehicle as
detected by the system may differ from the condition observed by the driver. There-
fore, the driver must always remain alert, assess the danger of each situation and drive
safely. Relying on this system or assuming the system ensures safe ty while driving can
lead to an accident, resultin g in death or serious injury.■
Cautions regarding the driving assist systems
Observe the following precautions, as there are limitations to the assistance provided
by the system.
Failure to do so may cause an accident resulting in death or serious injury. ●
Assisting the driver to measure following distance
The dynamic radar cruise control with full-sp eed range is only intended to help the
driver in determining the following distan ce between the driver’s own vehicle and a
designated vehicle traveling ahead. It is no t a mechanism that allows careless or inat-
tentive driving, and it is not a system that can assist the driver in low-visibility condi-
tions. It is still necessary for driver to pay close attention to the vehicle’s surroundings. ●
Assisting the driver to judge proper following distance
The dynamic radar cruise control with full-speed range determines whether the fol-
lowing distance between the driver’s own vehicle and a designated vehicle traveling
ahead is appropriate or not. It is not ca pable of making any othe r type of judgement.
Therefore, it is absolutely necessary for the driver to remain vigilant and to determine
whether or not there is a possibilit y of danger in any given situation.●
Assisting the driver to operate the vehicle
The dynamic radar cruise control with full- speed range has limited capability to pre-
vent or avoid a collision with a vehicle travel ing ahead. Therefore, if there is ever any
danger, the driver must take immediate and direct control of the vehicle and act
appropriately in order to ensure the safety of all involved.■
To avoid inadvertent dynamic radar cruise control with full-speed range activation
Switch the dynamic radar cruise control wi th full-speed range off using the “ON/OFF”
button when not in use.

324 4-5. Using the driving support systems
RX450h_U_OM0E013U WA R N I N G ■
Before using dynamic radar cruise control
Driving safely is the sole responsibility of th e driver. Do not rely solely on the system,
and drive safely by always paying ca reful attention to your surroundings.
The dynamic radar cruise control provides driving assistance to reduce the driver's
burden. However, there are limitatio ns to the assistance provided.
Even when the system is functioning normal ly, the condition of the preceding vehicle as
detected by the system may differ from the condition observed by the driver. There-
fore, the driver must always remain alert, assess the danger of each situation and drive
safely. Relying on this system or assuming the system ensures safe ty while driving can
lead to an accident, resultin g in death or serious injury.■
Cautions regarding the driving assist systems
Observe the following precautions, as there are limitations to the assistance provided
by the system.
Failure to do so may cause an accident resulting in death or serious injury. ●
Assisting the driver to measure following distance
The dynamic radar cruise control is only in tended to help the dr iver in determining
the following distance between the driver’s own vehicle and a designated vehicle
traveling ahead. It is not a mechanism that al lows careless or inattentive driving, and it
is not a system that can assist the driver in low-visibility conditions. It is still necessary
for driver to pay close attention to the vehicle’s surroundings. ●
Assisting the driver to judge proper following distance
The dynamic radar cruise control determines whether the following distance
between the driver’s own vehicle and a designated vehicle traveling ahead is appro-
priate or not. It is not capable of making an y other type of judgement. Therefore, it is
absolutely necessary for the driver to remain vigilant and to determine whether or not
there is a possibility of danger in any given situation. ●
Assisting the driver to operate the vehicle
The dynamic radar cruise control has limited capability to prevent or avoid a collision
with a vehicle traveling ahead. Therefore, if there is ever any danger, the driver must
take immediate and direct control of the vehicle and act appropriately in order to
ensure the safety of all involved. ■
To avoid inadvertent dynamic radar cruise control activation
Switch the dynamic radar cruise control off using the “ON/OFF” button when not in
use.

3454-5. Using the driving support systems
4
Driving
RX450h_U_OM0E013U ■
Sensor detectio n information●
The sensor’s detection areas are limited to the areas around the vehicle’s bumper. ●
Certain vehicle conditions and the surround ing environment may affect the ability of a
sensor to correctly detect an obstacle. Particular instances where this may occur are
listed below.
• There is dirt, snow or ice on the sensor . (Wiping the sensors will resolve this prob-
lem.)
• The sensor is frozen. (Thawing th e area will resolve this problem.)
In especially cold weather, if a sensor is frozen the screen may show an abnormal
display, or obstacles may not be detected.
• The sensor is covered in any way.
• The vehicle is leaning co nsiderably to one side.
• On an extremely bumpy road, on an incline, on gravel, or on grass.
• The vicinity of the vehicle is noisy due to vehicle horns, motorcycle engines, air
brakes of large vehicles, or other loud noises producing ultrasonic waves.
• There is another vehicle equipped with parking assist sensors in the vicinity.
• The sensor is coated with a sheet of spray or heavy rain.
• The vehicle is equipped with a fender pole or wireless antenna.
• Towing eyelets are installed.
• The bumper or sensor receives a strong impact.
• The vehicle is approaching a tall or curved curb.
• In harsh sunlight or intense cold weather.
• The area directly under the bumpers is not detected.
• If obstacles draw too close to the sensor.
• A non-genuine Lexus suspension (low ered suspension etc.) is installed.
• People may not be detected if they are wearing certain types of clothing.
In addition to the examples above, there are instances in which, because of their shape,
signs and other objects may be judged by a sensor to be closer than they are.●
The shape of the obstacle may prevent a sensor from detecting it. Pay particular atten-
tion to the following obstacles:
• Wires, fences, ropes, etc.
• Cotton, snow and other materials that absorb sound waves
• Sharply-angled objects
•Low obstacles
• Tall obstacles with upper sections projecting outwards in the direction of your vehi-
cle ●
The following situations may occur during use.
• Depending on the shape of the obstacle and other factors, the detection distance
may shorten, or detect ion may be impossible.
• Obstacles may not be detected if they are too close to the sensor.
• There will be a short delay between obst acle detection and display. Even at slow
speeds, there is a possibility that the obstacle w ill come within the sensor’s detection
areas before the display is shown and the buzzer sounds.
• Thin posts or objects lower than the sensor may not be detected when approached,
even if they have been detected once.
• It might be difficult to hear beeps due to th e volume of audio system or air flow noise
of the air conditioning system.