Resetting the reserve battery
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Volvo V70, 2006 Volvo V70, 2005 Volvo V70, 2004 Volvo V70, and 2003 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.
This service is used when the reserve battery has been replaced to reset the value to 100%. If the reserve battery has been replaced in a phone module (PHM) with Volvo On Call / Volvo On Call Plus functionality, the algorithm of the battery must be reset.