See also:

Climate control maintenance
Special tools and equipment are required to maintain and carry out repairs on the climate system. Work of this type should only be done by a trained and qualified Volvo service technician. ...

W – Winter/Wet driving mode –enhanced vehicle traction
Press the W button at the base of the gear selector to engage/disengage this driving mode (see illustration). The W symbol will appear in the display (see page 58) when the function is activated ...

Using HomeLink
To operate, simply press and release the programmed HomeLink button. Activation will now occur for the trained device (i.e., garage door opener, gate operator, security system, entry door lock ...