Lexus RX 450h Owner's Manual page 358

356 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
28 km/h (18 mph)
(fast)
8 km/h (5 mph)
(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 mode.
●
The RCTA function is on.
●
The shift lever is in R.
●
The vehicle speed is less than approxi-
●
� � � � � � � � � � � � � � � � �
mately 8 km/h (5 mph).
The approaching vehicle speed is
●
between approximately 8 km/h (5 mph)
and 28 km/h (18 mph).
Setting the buzzer volume
■
The buzzer volume can be adjusted on the
Approximate
A
multi-information display. (P.345)
alert distance
Use the meter control switches to change
settings. (P.143)
20 m (65 ft.)
Conditions under which the RCTA func-
■
tion will not detect a vehicle
5.5 m (18 ft.)
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