Driving
Sensor detection display, obstacle distance
In this manual: Driving
~1min read
Distance display
Sensors that detect an obstacle will illuminate continuously or blink.

*1: The images may differ from that shown in the illustrations. *2: Multi-information display *3: Audio system screen
Buzzer operation and distance to an obstacle
A buzzer sounds when the sensors are operating.
- The buzzer sounds faster as the vehicle approaches an obstacle.
When the vehicle comes within the following distance of the obstacle, the buzzer sounds continuously.
- Front and rear corner sensors: Approximately 0.8 ft. (25 cm)
- Rear center sensors: Approximately 1.1 ft. (35 cm)
- When 2 or more obstacles are detected simultaneously, the buzzer system responds to the nearest obstacle. If one or both come within the above distances, the beep will repeat a long tone, followed by fast beeps.
Test yourself
A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.
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