Lexus RZ450E 2023 Owner's Manual page 359

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The power switch is in ON.
The RCTA function is on.
The shift position is in R.
The vehicle speed is less than approxi-
mately 9 mph (15 km/h).
The approaching vehicle speed is
between approximately 5 mph (8 km/h)
and 34 mph (56 km/h).
Setting the buzzer volume
The buzzer volume can be adjusted on the
Center Display.
The buzzer volume of the RCTA, intuitive
parking assist-sensor, and RCD can be
adjusted all together on
Display. (P.592)
Muting a buzzer temporarily
When an object is detected, the temporary
mute switch is displayed on the Center Dis-
play.
Select the switch to mute the buzzer of the
intuitive parking assist-sensor, RCTA, and
RCD all together.
Mute will be canceled automatically in the
following situations:
When the shift position is changed.
When the vehicle speed exceeds a cer-
tain speed.
When there is a malfunction in a sensor
or the system is temporarily unavailable.
When the operating function is disabled
manually.
When the power switch is turned off.
Conditions under which the system 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
behind
Vehicles backing up in a parking space
next to your vehicle
Vehicles that the sensors cannot detect
due to obstructions
6-2. Using the safe driving support functions
Guardrails, walls, signs, parked vehicles
and similar stationary objects
Small motorcycles, bicycles, pedestrians,
*
etc.
Vehicles moving away from your vehicle
Vehicles approaching from the parking
of the Center
spaces next to your vehicle
The distance between the sensor and
approaching vehicle gets too close
*
: Depending on the conditions, detection
of a vehicle and/or object may occur.
Situations in which the system may not
operate properly
The RCTA function may not detect vehicles
correctly in the following situations:
When the sensor is misaligned due to a
strong impact to the sensor or its sur-
rounding area
When mud, snow, ice, a sticker, etc. is
covering the sensor or surrounding area
on the position above the rear bumper
When driving on a road surface that is
wet with standing water during bad
weather, such as heavy rain, snow, or fog
When multiple vehicles are approaching
with only a small gap between each vehi-
cle
When a vehicle is approaching at high
speed
When equipment that may obstruct a
sensor is installed, such as a towing eye-
let, bumper protector (an additional trim
strip, etc.), bicycle carrier, or snow plow
When backing up on a slope with a sharp
change in grade
359
*
*
6

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