See also:

Erasing HomeLink Buttons
To erase programming from the three Home- Link buttons (individual buttons cannot be erased but can be “reprogrammed” as outlined below), follow the step noted: 1. Press and hold the two outer ...

Warning symbols on the battery
NOTE A used battery should be disposed of in an environmentally responsible manner. Consult your Volvo retailer or take the battery to a recycling station. ...

Replacing the batteries
CAUTION When handling batteries, avoid touching their contact surfaces as this could result in poor battery function in the remote key. 3 Note the position of the battery's (+) or (–) sides. ...