Lexus UX 250h 2020 Owner's Manual page 244

242
4-5. Using the driving support systems
RCTA function detection areas
■
The areas that vehicles can be
detected in are outlined below.
The buzzer can alert the driver of
faster vehicles approaching from far-
ther away.
Example:
Approaching vehi-
cle speed
18 mph (28 km/h)
(fast)
5 mph (8 km/h)
(slow)
The RCTA function is operational when
■
The RCTA function operates when all of the
following conditions are met:
● The power switch is in ON.
The RCTA function is on.
●
● The shift lever is in R.
The vehicle speed is less than approxi-
●
A Approximate
alert distance
65 ft. (20 m)
18 ft. (5.5 m)
mately 5 mph (8 km/h).
● The approaching vehicle speed is
between approximately 5 mph (8 km/h)
and 18 mph (28 km/h).
Setting the buzzer volume
■
The buzzer volume can be adjusted on the
multi-information display.
Use the meter control switches to change
settings. (P.88)
Vehicles without the Intuitive parking

assist
1
Press or
2 Press or
then press "OK".
3
Press or
press "OK".
Each time the switch is pressed, the volume
level will change between 1,
Vehicles with the Intuitive parking assist

P.232
■ Muting a buzzer temporarily
Vehicles without the Intuitive parking

assist
A mute button will be displayed on the
multi-information display when an object is
detected. To mute the buzzer, press "OK"
When the shift lever is changed.
●
● When the vehicle speed exceeds a cer-
tain speed.
When the operating function is tempo-
●
rarily canceled.
When the operating function is disabled
●
manually.
● When the power switch is turned off.
Vehicles with the Intuitive parking assist

P.233
■ Conditions under which the RCTA func-
tion will not detect a vehicle
The RCTA function is not designed to
detect the following types of vehicles and/or
objects:
Vehicles approaching from directly
●
to select .
to select "RCTA" and
to select and then
2 and 3.