2012 Buick LaCrosse Owner Manual - Page 220

7-40 Infotainment System USB Port For vehicles with a USB port, the following devices may be connected and controlled by the infotainment system... 3.5 mm Jack Connect a 3.5 mm (1/8 in) cable to the auxiliary input jack to use a portable audio player. Playback of an audio device that is connected to the 3.5 mm jack can only be controlled using the controls on the device. If an auxiliary device has already been connected on vehicles with a touchscreen, but a different source is currently active, press the Now Playing screen button on the Home Page, then press Source repeatedly to cycle through all of the available audio source screens, until the AUX source screen is selected. Adjusting the Volume Turn the VOL/ O knob to adjust the volume of the infotainment system after the volume level has been set on the portable audio device. Connecting and Controlling an iPod® (Radio with CD and Radio with CD/DVD/MEM) Not all iPods can be controlled by the infotainment system. Connecting an iPod Connect the iPod to the USB port. Selecting a Track Using the control buttons: . iPods PlaysForSure Devices (PFDs) USB Drives Zunes™ USB mass storage device Microsoft Transfer Protocal (MTP) Press g or l to select the previous or next track. Turn the TUNE knob to select a track in the current submenu. The track will start to play. . Not all iPods, PFDs, USB Drives, and Zunes are compatible with the infotainment system.