Nissan LEAF 2023 Owners Manual
9.22.10.1. Parking sensor (sonar) system limitations
Listed below are the system limitations for the parking sensor (sonar) system. Failure to operate the vehicle in accordance with these system limitations could result in serious injury or death.
Read and understand the limitations of the parking sensor (sonar) system as contained in this section. Inclement weather may affect the function of the parking sensor (sonar) system; this may include reduced performance or a false activation.
The parking sensor (sonar) system is deactivated at speeds above 10 km/h (6 MPH). It is reactivated at lower speeds.
Inclement weather or ultrasonic sources such as an automatic car wash, a truck’s compressed-air brakes or a pneumatic drill may affect the function of the parking sensor (sonar) system; this may include reduced performance or a false activation.
The parking sensor (sonar) system is not designed to prevent contact with small or moving objects. Always move slowly. The system will not detect small objects below the bumper or on the ground.
The parking sensor (sonar) system may not detect the following objects: fluffy objects such as snow, cloth, cotton, glass-wool, etc.; thin objects such as rope, wire and chain, etc.; or wedge-shaped objects; complex-shaped objects or multiple objects in close proximity.
The parking sensor (sonar) system may not detect objects at speed above 5 km/h (3 MPH) and may not detect certain angular or moving objects.
The parking sensor (sonar) system may not operate in the following conditions:
When rain, snow, ice, dirt, etc. adheres to the parking sensor (sonar).
When a loud sound is heard in the area around the vehicle.
When the surface of the obstacle is diagonal to the front or rear of the vehicle.
When a parking sensor (sonar) or the area around the sensor is extremely hot or cold.
The parking sensor (sonar) system may unintentionally operate in the following conditions:
When there is overgrown grass in the area around the vehicle.
When there are bumps, protrusions or manhole covers on the road surface.
When the vehicle drives through a draped flag or a curtain.
When there is an accumulation of snow or ice behind the vehicle.
When driving on a steep hill.