See also:

Ringing volume
In phone mode, go to Phone menu Phone settings Sounds and volume Ring volume and adjust the volume by turning VOL. Save the setting by pressing EXIT. ...

Horn
Horn Press the steering wheel hub to sound the horn. ...

Changing engine oil and oil filter
Refer to the Warranty and Service Records Information booklet for information on the oil change intervals. NOTE Volvo does not recommend the use of oil additives. Synthetic oil is not used when ...