See also:

Programming HomeLink
NOTE Some vehicles may require the ignition switch to be turned on or to the second (“accessories”) position for programming and/or operation of HomeLink. It is also recommended that a new batter ...

Bulb specifications
NOTE Please consult a Volvo retailer’s Parts department for the most up-to-date specifications. ...

Accessory installation
We strongly recommend that Volvo owners install only genuine, Volvo-approved accessories, and that accessory installations be performed only by a trained and qualified Volvo service technicia ...