See also:

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. ...

CHECK ENGINE Malfunction indicatorlight
On-Board Diagnostics II (OBDII): As you drive, a computer called "OBDII" monitors your vehicle's engine, transmission, electrical and emission systems. The CHECK ENGINE light will light ...

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 ...