See also:

Coolant
Location of the coolant reservoir Normally, the coolant does not need to be changed. If the system must be drained, consult a trained and qualified Volvo service technician. See page 341 for inf ...

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. ...

Operation
Press to operate the air quality sensor (normal setting). or: Select one of the following three functions by pressing 1, 2 or 3 times. 1. The AUT LED lights. The air quality sensor is now acti ...