Volvo On CallThe standby battery has a limited service life. When the battery needs service or replacement, a message, Volvo On CallService required, is shown in the driver display.
If the message remains, contact an authorised Volvo workshop.
Standby battery for Volvo On Call*
Updated 7/23/2018If the car is unpowered, the main battery is replaced by the Volvo On Call standby battery.
