Limitations of BLIS
The BLIS1 function may have limitations in certain situations.
![Px-2122-V-Keep sensor area clean rear](https://www.volvocars.com/images/support/imga589fab4972b6509c0a801522fe50970_1_--_--_VOICEpnghigh.png?imwidth=1280)
Examples of limitations:
- Dirt, ice and snow covering the sensors may reduce the functions and deactivate alerts.
- The BLIS function is automatically deactivated if a trailer, bicycle rack or similar is connected to the car's electrical system.
- For good performance of BLIS, there should be no bicycle rack, luggage carrier or similar mounted on the car's towbar.
Warning
- BLIS does not work on sharp bends.
- BLIS does not work when the car is reversing.
Note
This function uses the car's radar units, which have certain general limitations.