Toyota 2009 Tundra Owner's Manual page 244

2-4. Using other driving systems
The distance and buzzer
When a sensor detects an obstacle.
n
The buzzer sounds.
Back sensors
Rear corner sensors
218
Distance
Zone
shown as
in in. (mm)
Approximately
Far
70.9—45.3
(1800—1150)
Approximately
Mid
45.3—33.5
(1150—850)
Approximately
Near 33.5 (850) or
less
Distance
Zone
shown as
in in. (mm)
Approximately
Far 33.5—20.5
(850—520)
Approximately
Mid
20.5—15.7
(520—400)
Approximately
Near 15.7 (400) or
less
Indicator
and buzzer
Intermittent
Fast
intermittent
Continuous
Indicator
and buzzer
Intermittent
Fast
intermittent
Continuous