2011 Volvo S60 Owner's Manual - Page 177

04 Comfort and driving pleasure Park assist* NOTE Front park assist is deactivated when the parking brake is applied and or when the gear selector is in the P position. Cleaning the sensors with water and a suitable car washing detergent. Ice and snow covering the sensors may cause incorrect warning signals. 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. Consult a trained and qualified Volvo service technician. Location of the front sensors NOTE If the sensors are obstructed by e.g., dirt, snow, or ice, this could result in false warning signals from the park assist system. 04 CAUTION In certain circumstances, the park assist system may give unexpected warning signals that can be caused by external sound sources that use the same ultrasound frequencies as the system. This may include such things as the horns of other vehicles, wet tires on asphalt, pneumatic brakes, motorcycle exhaust pipes, etc. This does not indicate a fault in the system. Location of the rear sensors The sensors must be cleaned regularly to ensure that they work properly. Clean them * Option/accessory, for more information, see Introduction. 177