Circuit/System Description
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
| Circuit | Description |
|---|---|
| 8 to 12 V Reference | Regulated voltage supplied by the control module. |
| Signal | 8 to 12 V Reference |
| Low Reference | Grounded through the control module. |
| Component | Description |
|---|---|
| K182 Parking Assist Control Module | The assembly has several functions: Front Parking Assist Rear Parking Assist |
|
The sensors can send and receive ultrasonic sounds. First a short sound is emitted. If there is an obstacle in front of the sensor, the obstacle will reflect the sound back to the sensor. The time difference between sending and receiving is the measure for the distance to the obstacle. |