2009 Toyota Corolla Owners Manual - Page 190

3 -2 . U sing t he a udio syst e m U sing t he AU X a da pt e r This adapter can be used to connect a portable audio device and listen to it through the vehicle's speakers. STEP 1 Open the cover and connect the portable audio device. STEP 2 Press . n Operating portable audio devices connected to the audio system The volume can be adjusted using the vehicle's audio controls. All other adjustments must be made on the portable audio device itself. n When using a portable audio device connected to the power outlet Noise may occur during playback. Use the power source of the portable audio device. 224