2016 LEXUS RX450H display

3214-5. Using the driving support systems
4
Driving
RX450h_U_OM0E013U ■
Automatic cancelation of constant speed control mode
Constant speed control mode is automatica lly canceled in the following situations:●
Actual vehicle speed is more than approximately 10 mph (16 km/h) below the set vehi-
cle speed. ●
Actual vehicle speed falls below approximately 25 mph (40 km/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. ●
Pre-collision braking is activated.
If constant speed control mode is automatica lly canceled for any other reason, there may
be a malfunction in the system. Contact your Lexus dealer. ■
Warning messages and buzzers for dynamic ra dar 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 caution while driving. If a warning message is shown on the
multi-information display, read the message and follow the instructions.■
When the sensor may not be correctly detecting the vehicle ahead
In the case of the following and depending on the conditions, operate the brake pedal
when deceleration of the system is insuff icient or operate the accelerator pedal when
acceleration is required.
As the sensor may not be able to correctly detect these types of vehicles, the approach
warning (  P. 318) 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 (traile rs with no load on board, etc.)

3234-5. Using the driving support systems
4
Driving
RX450h_U_OM0E013U In vehicle-to-vehicle distance control mode, the vehicle automatically acceler-
ates and decelerates to match the speed changes of the preceding vehicle even
if the accelerator pedal is not depressed. In constant speed control mode, the
vehicle runs at a fixed speed.
Use the dynamic radar cruise control on freeways and highways. ●
Vehicle-to-vehicle distance control mode (  P. 3 2 6 )●
Constant speed control mode (  P. 3 3 1 )
Vehicle-to-vehicle distance button
Display
Set speed
Indicators
Cruise control switchDynamic radar cruise control 
 : If equippedSummary of functions 1
2
3
4
5

3274-5. Using the driving support systems
4
Driving
RX450h_U_OM0E013U Press the “ON/OFF” button to acti-
vate the cruise control. Radar cruise control indicator will come
on and a message will be displayed on
the multi-information display.
Press the button again to deactivate the
cruise control.
If the “ON/OFF” button is pressed and
held for 1.5 seconds or more, the system
turns on in constant speed control
mode. (  P. 3 3 1 )
Accelerate or decelerate, with
accelerator pedal operation, to the
desired vehicle speed (above
approximately 30 mph [50 km/h])
and push the lever down to set the
speed. Cruise control “SET” indicator will come
on.
The vehicle speed at the moment the
lever is released be comes the set speed.Setting the vehicle speed (vehicle-to-vehicle distance control mode) 1
2

3294-5. Using the driving support systems
4
Driving
RX450h_U_OM0E013U Pressing the button changes the vehi-
cle-to-vehicle distance as follows:
Long
Medium
Short The vehicle-to-vehicle distance is set
automatically to long mode when the
power switch is turned to ON mode.
If a vehicle is running ahead of you, the preceding vehicle mark will also be displayed.
Select a distance from the table below. Note that the distances shown corre-
spond to a vehicle speed of 50 mph (8 0 km/h). Vehicle-to-vehicle distance
increases/decreases in accordance with vehicle speed.
Pulling the lever toward you cancels
the speed control. The speed setting is also canceled when
the brake pedal is depressed.
Pushing the lever up resumes the
cruise control and returns vehicle
speed to the set speed. However, cruise control does not
resume when the vehicle speed is
approximately 25 mph (40 km/h) or
less.Changing the vehicle-to-vehicle distance (vehicle-to-vehicle distance
control mode) Preceding
vehicle mark1
2
3
Vehicle-to-vehicle distance settings (vehicle-to-vehicle distance con-
trol mode) Distance options Vehicle-to-vehicle distance
Long Approximately 160 ft. (50 m)
Medium Approximately 130 ft. (40 m)
Short Approximately 100 ft. (30 m)
Canceling and resuming the speed control 1
2

330 4-5. Using the driving support systems
RX450h_U_OM0E013U When your vehicle is too close to a
vehicle ahead, and sufficient automatic
deceleration via the cruise control is
not possible, the display will flash and
the buzzer will sound to alert the driver.
An example of this would be if another
driver cuts in front of you while you are
following a vehicle. Depress the brake
pedal to ensure an appropriate vehicle-
to-vehicle distance. ■
Warnings may not occur when
In the following instances, warnings may not occur even when the vehicle-to-
vehicle distance is small. ●
When the speed of the preceding vehicle matches or exceeds your vehicle
speed ●
When the preceding vehicle is traveling at an extremely slow speed ●
Immediately after the cruise control speed was set ●
When depressing the accelerator pedalApproach warning (vehicle-to-vehicle distance control mode)

332 4-5. Using the driving support systems
RX450h_U_OM0E013U ■
Dynamic radar cruise control can be set when ●
The shift lever is in D or range 4 or higher of S has been selected.●
Range 4 or higher of D has been se lected by using the paddle shift.
(vehicles with paddle shift switches) ●
Vehicle speed is above approximately 30 mph (50 km/h). ■
Accelerating after setting the vehicle speed
The vehicle can accelerate by operating the accelerator pedal. After accelerating, the
set speed resumes. However, during vehicle- to-vehicle distance control mode, the vehi-
cle speed may decrease below the set speed in order to maintain the distance to the pre-
ceding vehicle. ■
Automatic cancelation of vehicle- to-vehicle distance control mode
Vehicle-to-vehicle distance control mode is automatically canceled in the following situ-
ations. ●
Actual vehicle speed falls below approximately 25 mph (40 km/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. ●
The sensor cannot detect correctly because it is covered in some way. ●
Pre-collision braking is activated.
If vehicle-to-vehicle distance control mode is automatically canceled for any other rea-
son, there may be a malfunction in the system. Contact your Lexus dealer. ■
Automatic cancelation of constant speed control mode
Constant speed control mode is automatica lly canceled in the following situations:●
Actual vehicle speed is more than approximately 10 mph (16 km/h) below the set vehi-
cle speed. ●
Actual vehicle speed falls below approximately 25 mph (40 km/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. ●
Pre-collision braking is activated.
If constant speed control mode is automatica lly canceled for any other reason, there may
be a malfunction in the system. Contact your Lexus dealer. ■
Warning messages and buzzers for dynamic radar cruise control
Warning messages and buzzers are used to indicate a system malfunction or to inform
the driver of the need for caution while driving. If a warning message is shown on the
multi-information display, read the message and follow the instructions.

3354-5. Using the driving support systems
4
Driving
RX450h_U_OM0E013U Use the cruise control to maintain a set speed without operating the accelerator
pedal.
Set speed
Indicators
Cruise control switch
Press the “ON/OFF” button to acti-
vate the cruise control. Cruise control indicator will be dis-
played on the multi-information display.
Press the button again to deactivate the
cruise control.
Accelerate or decelerate, with
accelerator pedal operation, to the
desired vehicle speed (above
approximately 25 mph [40 km/h])
and push the lever down to set the
speed. Cruise control “SET” indicator and set
speed will be displayed on the multi-
information display.
The vehicle speed at the moment the lever is released becomes the set speed.Cruise control 
 : If equippedSummary of functions 1
2
3
Setting the vehicle speed 1
2

3374-5. Using the driving support systems
4
Driving
RX450h_U_OM0E013U ■
Cruise control can be set when ●
The shift lever is in D or range 4 or higher of S has been selected.●
Range 4 or higher has been selected by using the paddle shift.
(vehicles with paddle shift switches) ●
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 accelerating, the
set speed resumes. ●
Even without canceling the cruise control, the set speed can be increased by first accel-
erating 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 fo llowing situations.●
Actual vehicle speed falls more than approximately 10 mph (16 km/h) below the set
speed. ●
Actual vehicle speed is below approximately 25 mph (40 km/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. ■
If “Cruise Control Malfunction Visit 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 immediately after
being activated, there may be a malfunction in the cruise control system. Have the vehi-
cle inspected by your Lexus dealer.