2008 Volvo S40 Owner's Manual - Page 207

Audio functions 7. If there is distortion, lower your music player's headphone volume until the distortion goes away. 8. Finally, exit the menu and adjust the audio volume to a comfortable level. Volume Use the volume dial (1) or the buttons in the optional steering wheel keypad to adjust the volume level. The volume level is also adjusted automatically according to the vehicle's speed, see page 234 for more information on this function. Steering wheel keypad (option) The four buttons on the steering wheel keypad can be used to control the audio system. The steering wheel keypad can be used to adjust volume, shift between preset stations and change CD tracks. Press one of the two left-hand buttons briefly to change to the next/previous preset radio station, or to go to the next/previous track on a CD. Press and hold down these buttons to search within a track on a CD. Daytime/twilight display In daylight the information is displayed against a light background. In darkness it is displayed against a dark background. 232 10 Audio Audio functions USB/iPOD connector (option)