2005 Chevrolet Impala Owner's Manual - Page 201

When a CD is playing, press the up or the down arrow to go to the next or previous track. Press and release this button to silence the system. Press and release this button again, to turn the sound on. If your vehicle has OnStar®, press and hold this button for longer than one second to interact with the OnStar system. See the OnStar® System on page 2-35 in this manual for more information. SRCE (Source): Press this button to switch between AM, FM, XM (if equipped), CD, and AUX jack. + − (Volume): Press the plus or minus button to increase or to decrease the radio volume. AM The range for most AM stations is greater than for FM, especially at night. The longer range can cause station frequencies to interfere with each other. For better radio reception, most AM radio stations will boost the power levels during the day, and then reduce these levels during the night. Static can also occur when things like storms and power lines interfere with radio reception. When this happens, try reducing the treble on your radio. g (Mute/Voice Recognition): FM Stereo FM stereo will give the best sound, but FM signals will reach only about 10 to 40 miles (16 to 65 km). Tall buildings or hills can interfere with FM signals, causing the sound to fade in and out. ¨ (Seek): Press the seek arrow to go to the next radio station and stay there. If you have the navigation system, some of the audio steering wheel controls work when a DVD is playing in the navigation radio. See the Navigation System manual for more information. XM™ Satellite Radio Service XM™ Satellite Radio Service gives digital radio reception from coast-to-coast in the 48 contiguous United States, and in Canada (if available). Just as with FM, tall buildings or hills can interfere with satellite radio signals, causing the sound to fade in and out. In addition, traveling or standing under heavy foliage, bridges, garages, or tunnels may cause loss of the XM™ signal for a period of time. The radio may display NO SIGNAL to indicate interference. Radio Reception You may experience frequency interference and static during normal radio reception if items such as cellphone chargers, vehicle convenience accessories, and external electronic devices are plugged into the accessory power outlet. If there is interference or static, unplug the item from the accessory power outlet. 3-81