See also:

Inserting and removing the remote key
Ignition slot with remote key and START/STOP ENGINE button. ...

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 technici ...

USB
USB connector in glove compartment If you connect an iPod , MP3 player or a USB flash drive to the optional USB connector, this device can be controlled using the vehicle's audio controls ...