change key battery VOLVO S80 2008 Owners Manual

The batteries should be replaced if:
The information symbol illuminates and Replace car key battery is shown in the display and/or
if the locks do not react after several attempts to unlock or lock the vehicle.
NOTE
The remote key's range is normally approximately 60 ft (20 m) from the vehicle.
See page 59
for information on replacing the battery.
Common functions - Remote key/Personal Car Communicator (PCC)
Lock
Unlock
Approach lighting
Trunk unlock
Panic alarm
Buttons on the remote
Lock - Press the Lock button on the remote once to lock all doors and the trunk. The turn signals will flash once to
confirm locking.
Unlock - Press the Unlock button on the remote once to unlock the driver's door. The turn signals will flash twice to
confirm unlocking.
After a short pause, press the Unlock button a second time within 10 seconds to unlock the other doors and the trunk.
This function can be changed so that all doors unlock at the same time under Car settings
lock settings Doors,
unlock . See page 123
for a description of the menu system.