2017 Lexus IS300h Owner's Manual

3054-5. Using the driving support systems
4
Driving
IS300h_EE(OM53D89E)
Use the cruise control to maintain a set speed without depressing the accelera-
tor pedal.
Indicators
Cruise control switch
Press the “ON/OFF” button to acti-
vate the cruise control.
Cruise control indicator will come on.
Press the button again to deactivate the
cruise control.
Accelerate or decelerate the vehicle
to the desired speed, and push the
lever down to set the speed.
“SET” indicator will come on.
The vehicle speed at the moment the
lever is released becomes the set speed.
Cruise control
: If equipped
Summary of functions
1
2
Setting the vehicle speed
1
2

3064-5. Using the driving support systems
IS300h_EE(OM53D89E)
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 1.6 km/h (1 mph) each time the lever is operated.
Large adjustment: The set speed can be incr eased or decreased continually until the
lever is released.
Pulling the lever toward you cancels
the constant speed control.
The speed setting is also canceled when
the brakes are applied.
Pushing the lever up resumes the
constant speed control.
Resuming is available when the vehicle speed is more than approximately 40
km/h (25 mph).
Adjusting the set speed
1
2
Canceling and resuming the constant speed control
1
2

3074-5. Using the driving support systems
4
Driving
IS300h_EE(OM53D89E)
■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 selected by using the paddle shift.
●Vehicle speed is above approximately 40 km/h (25 mph).
■Accelerating after setting the vehicle speed
●The vehicle can be accelerated normally. After acceleration, 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 cruise control cancelation
Cruise control will stop maintaining the vehi cle speed in any of the following situations.
●Actual vehicle speed falls more than approximately 16 km/h (10 mph) below the preset vehicle speed.
At this time, the memorized set speed is not retained.
●Actual vehicle speed is below approximately 40 km/h (25 mph).
●VSC is activated.
●TRC is activated for a period of time.
●When the VSC or TRC system is turned off by pressing the VSC OFF switch.
■If the warning message for the cruise control is shown on the multi-information display
Press the “ON/OFF” button once to deactiv ate 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 any authorized Lexus retailer or Lexus authorized repairer, or any reli- able repairer.

3084-5. Using the driving support systems
IS300h_EE(OM53D89E)
WARNING
■To avoid operating the cruise control by mistake
Switch the cruise control off using t he “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

3094-5. Using the driving support systems
4
Driving
IS300h_EE(OM53D89E)
Turns the Lexus parking assist-sensor
on/off
When on, the indicator light comes on to inform the driver that the system is
operational.
Lexus parking assist-sensor
: If equipped
The distance from your vehicle to near by obstacles when parallel parking or
maneuvering into a garage is measured by the sensors and communicated via
the displays and a buzzer. Always chec k the surrounding area when using this
system.
Types of sensors
Except F SPORT modelsF SPORT models
Front center sensors
Front corner sensors
Rear corner sensors
Rear center sensors
Lexus parking assist-sensor switch
1
2
3
4

3104-5. Using the driving support systems
IS300h_EE(OM53D89E)
When the sensors detect an obstacle, the following displays inform the driver of
the position and distance to the obstacle.
■Multi-information display
Front corner sensor operation
Front center sensor operation
Rear corner sensor operation
Rear center sensor operation
■Lexus Display Audio screen
Lexus parking assist-sensor
When the vehicle is moving forward.
A graphic is automatically displayed
when an obstacle is detected. The screen can be set so that the graphic
is not displayed. ( P. 314)
: Select to mute the buzzer
sounds.
Lexus parking assist-sensor
Rear Crossing Traffic Alert
(if equipped)
When the vehicle is moving back- ward.
A simplified image is displayed on
the upper part of the screen when an obstacle is detected.
Display
1
2
3
4
1
2
3

3114-5. Using the driving support systems
4
Driving
IS300h_EE(OM53D89E)
■10.3-inch display
Lexus parking assist-sensor
Rear Crossing Traffic Alert
(if equipped)
A graphic is automatically displayed on the side display when an obstacle
is detected. The screen can be set so
that the graphic is not displayed. ( P. 314)
: Select to mute the buzzer
sounds. This functi on is available
when the vehicle is moving forward.
1
2

3124-5. Using the driving support systems
IS300h_EE(OM53D89E)
■Distance display
Sensors that detect an obstacle w ill illuminate continuously or blink.
Sensor detection display, obstacle distance
Display*1
Insert displayApproximate distance to obstacle
Lexus parking
assist monitor
Front corner sensor/
front center sensor
Rear corner sensor/
rear center sensor
(continuous)(blinking slowly)
Front center sensor only:
100 cm (3.3 ft.) to 50
cm (1.6 ft.)
Rear center sensor only:
150 cm (4.9 ft.) to 60
cm (2.0 ft.)
(continuous)(blinking)
50 cm (1.6 ft.) to 40 cm
(1.3 ft.)
60 cm (2.0 ft.) to 45
cm (1.5 ft.)
(continuous)(blinking
rapidly)
40 cm (1.3 ft.) to 30 cm
(1.0 ft.)
Rear corner sensor: 45 cm (1.5 ft.) to 30 cm
(1.0 ft.)
Rear center sensor:
45 cm (1.5 ft.) to 35 cm
(1.1 ft.)
(blinking*2 or
continuous*3)
(continuous)
Less than 30 cm (1.0 ft.)
Rear corner sensor: Less than 30 cm (1.0 ft.)
Rear center sensor: Less than 35 cm (1.1 ft.)