See also:

Power brakes function only when the engine is running
The power brakes utilize vacuum pressure which is only created when the engine is running. Never let the vehicle roll to a stop with the engine switched off. If the power brakes are not working, co ...

Volvo Sensus
Center console control panel 1 - Volvo Navigation System (VNS)* – NAV: see the separate VNS manual for operating instructions. 2 - Infotainment (RADIO, MEDIA, TEL*): see the infotainment system ...

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 disenga ...