Lexus RX 450h 2010 Owner's Manual page 239

2-4. Using other driving systems
The distance display and buzzer
When a sensor detects an obstacle, the direction of and the approximate
distance to the obstacle are displayed and the buzzer sounds.
The site of the obstacle will flash (detection level 4 only).
■
Front corner sensors
Detection
level
2
3
4
■
Rear corner sensors
Detection
level
2
3
4
238
Multi-information
display
Multi-information
display
Approximate dis-
tance to obstacle
2.0 to 1.6 ft.
(60 to 47.5 cm)
1.6 to 1.2 ft.
(47.5 to 35 cm)
1.2 ft. (35 cm) or
less
Approximate dis-
tance to obstacle
1.6 to 1.2 ft.
(50 to 37.5 cm)
1.2 to 0.8 ft.
(37.5 to 25 cm)
0.8 ft. (25 cm) or
less
Buzzer
Medium
Fast
Continuous
Buzzer
Medium
Fast
Continuous