Removal & Installation: Notes
WARNING: This page is about a different car, the 2004 Volvo XC90 and 2003 Volvo XC90. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See BATTERY DISCONNECT PRECAUTIONS
under PROGRAMMING before disconnecting battery.