Toyota TUNDRA 2009 Manual page 217

Front corner sensors
n When two or more obstacles are detected simultaneously
The buzzer system responds to the nearest zone.
When multiple obstacles are detected in front and behind the
n
vehicle at the same time
The buzzer will change in the following manner.
l If an obstacle has been detected within 15.7 in. (400 mm) of the
front or 33.5 in. (850 mm) in rear of the vehicle (a continuous
buzzer is sounding), and a new obstacle is detected at the other
end of the vehicle, the buzzer will sound 7 times then one contin-
uous buzzer.
l If an obstacle has been detected within 15.7 in. (400 mm) of the
front or 33.5 in. (850 mm) in rear of the vehicle (a continuous
buzzer is sounding), and a new obstacle is detected in the same
way at the other end of the vehicle, the buzzer will sound 3 times
then one continuous buzzer.
2-4. Using other driving systems
Distance
Zone
shown as
in in. (mm)
Approximately
Far 23.6—15.7
(600—400)
Approximately
Mid
15.7—9.8
(400—250)
Approximately
Near 9.8 (250) or
less
Indicator
and buzzer
Intermittent
Fast
2
intermittent
Continuous
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