The car cannot be started if the hybrid battery is discharged.
If both the starter battery and the hybrid battery are discharged then both batteries must be charged. In such a case, charging only the hybrid battery first is not possible.
In order for the hybrid battery to be charged the starter battery must have a certain state of charge.
The hybrid battery must only be replaced by a workshop - an authorised Volvo workshop is recommended.
The hybrid battery's cooling system has a separate expansion tank.
The hybrid battery's coolant must only be topped up by a workshop - an authorised Volvo workshop is recommended.
Specifications for hybrid battery
Total amount of energy: 10.4 kWh.
The capacity of the hybrid battery diminishes with age and use, which may result in increased use of the internal combustion engine and, as a consequence, reduced fuel economy and reduced range during electric operation.