See also:

Volvo Sensus
Center console control panel 1 - Volvo Navigation System (VNS)* – NAV: see the separate VNS manual for operating instructions. 2 - Infotainment (RADIO, MEDIA, TEL*): see the infotainment system ...

Instrument overview
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Replacing batteries in the headphones
The headphones use two AAA batteries. It is advisable to have extra batteries on hand during long trips. Battery cover and retaining screw 1. Unscrew the retaining screw and remove the batter ...