See also:

Low battery voltage
If the battery voltage is too low, the parking brake cannot be applied or released. Connect an auxiliary battery if the battery voltage is too low, see page 114. ...

Tailgate wiper and reverse gear
If the windshield wipers are on and the transmission is put into reverse gear, the tailgate wiper will go into intermittent wiping function1. This function is deactivated when a different gear ...

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 ...