Lexus IS 250C 2014 Manual page 210

2-4. Using other driving systems
■
Back sensor operation display and distance to an obstacle
The system operates when the vehicle approaches within approxi-
mately 4. 9 ft. (150 cm) of an obstacle.
■ Buzzer operation and distance to the obstacle
A buzzer sounds when the corner sensors and back sensor are oper-
ating.
● The buzzer beeps faster as the vehicle approaches an obstacle. When the
vehicle comes within the following distance of the obstacle, the buzzer
sounds continuously.
Corner sensors: Approximately 0.8 ft. (25 cm)
•
Back sensors: Approximately 1.1 ft. (35 cm)
•
● When two or more obstacles are detected simultaneously, the buzzer sys-
tem responds to the nearest obstacle.
210
Approximately 2.0 ft. (60 cm)
to 4. 9 ft. (150 cm) from the
obstacle
Approximately 1.5 ft. (45 cm) to
2.0 ft. (60 cm) from the obsta-
cle
Approximately 1.1 ft. (35 cm) to
1.5 ft. (45 cm) from the obstacle
Flashing: Within 1.1 ft. (35 cm) of
the obstacle