See also:

Limitations
In certain situations, the BLIS indicator light(s) may illuminate even when there are no other vehicles in the area monitored by the system. NOTE If the BLIS indicator lights illuminate occasional ...

Faults in the system
If the information symbol illuminates and Park assist syst Service required is shown on the information display, this indicates that the system is not functioning properly and has been disengaged. ...

Unleaded fuel
Each Volvo has a three-way catalytic converter and must use only unleaded gasoline. U.S. and Canadian regulations require that pumps delivering unleaded gasoline be labeled "UNLEADED". ...