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 ...

Instrument overview
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Power steering fluid reservoir
The fluid level should always be between the ADD and FULL marks. Fluid type: Volvo synthetic power steering fluid (Pentosin CHF 11S) P/N 1161529 or equivalent. Replace: No fluid change requi ...