Lexus LC 500 2024 Owner's Manual, Quick Manual page 57

BSM indicator/RCTA indicator
C
When the BSM function/RCTA function is turned on, the indicator comes on.
Monitor screen display (RCTA function only)
D
If a vehicle approaching from the right or left at the rear of the vehicle is detected, the
RCTA icon for the detected side will be displayed on the monitor screen. This illustra-
tion shows an example of a vehicle approaching from both sides of the vehicle.
RCTA buzzer (RCTA function only)
E
If a vehicle approaching from the right or left at the rear of the vehicle is detected, a
buzzer will sound. The buzzer also sounds for approximately 1 second immediately
after the BSM function is operated to turn the system on.
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