2015 LEXUS RX450h display

2162-2. Instrument cluster
NOTICE■
To prevent damage to components ●
Do not place anything on the head-up display opening. ●
If an object falls into the opening of the
head-up display, remove it immediately.
Also, avoid spilling water or other liquids
near the head-up display opening as this
may cause mechanical damage.

2322-4. Using other driving systems
Cruise control 
 : If equippedUse the cruise control to maintain a set speed without depressing the
accelerator pedal.
Indicator
Display
Cruise control switch
■ Setting the vehicle speed
Press the “ON-OFF” button to
activate the cruise control. Cruise control indicator will
come on.
Press the button again to deacti-
vate the cruise control. STEP 1

2332-4. Using other driving systems
2
When driving Accelerate or decelerate the
vehicle to the desired speed,
and push the lever down to set
the speed. “SET” will be displayed.
The vehicle speed at the
moment the lever is released
becomes the set speed.
■ Adjusting the set speed
To change the set speed, operate the lever until the desired set
speed is obtained.
Increases the speed
Decreases the speed Fine adjustment: Momentarily
move the lever in the desired
direction.
Large adjustment: Hold the
lever in the desired direction.
The set speed will be increased or decreased as follows:
Fine adjustment: By approximately 1 mph (1.6 km/h) each time the lever is
operated.
Large adjustment: The set speed can be increased or decreased continu-
ally until the lever is released. STEP 2

2352-4. Using other driving systems
2
When driving ■
If a warning message is shown on the multi-information display
Press the “ON-OFF” button once to deactiv ate the system, and then press the but-
ton 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 malfun ction in the cruise control system. Have
the vehicle inspected by your Lexus dealer.
CAUTION■
To avoid operating the cruise control by mistake
Switch the cruise control off using the “ON-OFF” button when not in use.■
Situations unsuitable for cruise control
Do not use cruise control in any of the following situations.
Doing so may result in loss of control and could cause an accident resulting in death
or serious injury. ●
In heavy traffic●
On roads with sharp bends●
On winding roads●
On slippery roads, such as thos e covered with rain, ice or snow●
On steep hills
Vehicle speed may exceed the set speed when driving down a steep hill.●
When your vehicle is towing a trailer or during emergency towing

2362-4. Using other driving systems
Dynamic radar cruise control 
 : If equippedDynamic radar cruise control supple ments conventional cruise control
with a vehicle-to-vehicle distance control. In vehicle-to-vehicle distance
control mode, the vehicle automatically accelerates or decelerates in
order to maintain a set following distance from vehicles ahead.
Indicator (vehicle-to-vehicle
distance control mode)
Indicator (constant speed
control mode)
Display
Vehicle-to-vehicle distance
button
Cruise control switch
■ Setting the vehicle speed (vehicle-to-vehicle distance control
mode)
Press the “ON-OFF” button to
activate the cruise control. Radar cruise control indicator
will come on.
Press the button again to deacti-
vate the cruise control. STEP 1

2372-4. Using other driving systems
2
When driving Accelerate or decelerate the
vehicle to the desired speed,
and push the lever down to set
the speed. “SET” will be displayed.
The vehicle speed at the
moment the lever is released
becomes the set speed.
■ Adjusting the set speed
To change the set speed, operate the lever until the desired set
speed is displayed.
Increases the speed
Decreases the speed Fine adjustment: Momentarily
move the lever in the desired
direction.
Large adjustment: Hold the
lever in the desired direction.
In the vehicle-to-vehicle distance control mode, the set speed will be
increased or decreased as follows:
When the set speed is shown in “MPH”
Fine adjustment: By approximately 1 mph (1.6 km/h) each time the lever is
operated
Large adjustment: By approximately 5 mph (8 km/h) for each 0.75 sec-
onds the lever is held STEP 2

2382-4. Using other driving systems
When the set speed is shown in “km/h” Fine adjustment: By approximately 0.6 mph (1 km/h) each time the lever is
operated
Large adjustment: By approximately 3.1 mph (5 km/h) for each 0.75 sec-
onds the lever is held
In the constant speed control mode (  P. 242), the set speed will be
increased or decreased as follows:
Fine adjustment: By approximately 1 mph (1.6 km/h) each time the lever is
operated
Large adjustment: The set speed can be increased or decreased continu-
ally until the lever is released.
■ Changing the vehicle-to-vehicle distance
Pressing the button changes the
vehicle-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.Preceding vehicle mark

2412-4. Using other driving systems
2
When driving Example of follow-up cruising
When following a vehicle driving slower than the set speed The system continues follow-up cruising while adjusting for changes in the
speed of the vehicle ahead in order to maintain the vehicle-to-vehicle dis-
tance set by the driver.
Example of acceleration
When there are no longer any vehicl es ahead driving slower than the
set speed The system accelerates until the set speed is reached. The system then
returns to constant speed cruising.
Approach warning
When your vehicle is too close to a vehicle ahead, and sufficient auto-
matic deceleration via the cruise co ntrol is not possible, the display will
flash and the buzzer will sound to al ert the driver. An example of this
would be if another driver cuts in fron t of you while you are following a
vehicle. Apply the brakes to ensure an appropria te vehicle-to-vehicle dis-
tance.
■ Warnings may not occur when
In the following instances, there is a possibility that the warnings will not
occur:
● When the speed of the vehicle ahead matches or exceeds your
vehicle speed
● When the vehicle ahead is traveling at an extremely slow speed
● Immediately after the cruise control speed was set
● At the instant the accelerator is applied