2005 Chevrolet Impala Owner's Manual - Page 200

Listening to a Portable Audio Player To listen to a portable audio player such as an MP3 player or cassette player over the radio and speakers, use a cable to connect your portable audio player to the auxiliary input jack located on the radio faceplate. When a device is connected, the radio automatically begins playing audio from the device over the car speakers. Turn this knob clockwise to increase or counterclockwise to decrease the volume of the portable player. You may need to do additional volume adjustments from the portable device if the volume does not go loud or soft enough. BAND: Press this button to listen to the radio when a portable audio device is playing. The portable audio device will continue playing, so you may want to stop it or power it off. CD/AUX (CD/Auxiliary): Press this button to play a CD when a portable audio device is playing. Press this button again and the system will begin playing audio from the connected portable audio player. If a portable audio player is not connected, "no input device found" will be displayed. Theft-Deterrent Feature THEFTLOCK® is designed to discourage theft of your vehicle's radio. The feature works automatically by learning a portion of the Vehicle Identification Number (VIN). If the radio is moved to a different vehicle, it will not operate and LOCKED will appear on the display. With THEFTLOCK® activated, the radio will not operate if stolen. O (Power/Volume): Audio Steering Wheel Controls The audio steering wheel controls may be different depending on your vehicles options. Some audio controls can be adjusted at the steering wheel. They include the following: xw (Next/Previous): Press the up or the down arrow to go to the next or to the previous radio station stored as a favorite. 3-80