Navigation Audio SystemNotice: Before adding any sound equipment tothe vehicle, such as an audio system, CD player,CB radio, mobile telephone, or two-way radio, makesure that it can be added by checking with yourdealer/retailer. Also, check federal rules coveringmobile radio and telephone units. If soundequipment can be added, it is very important todo it properly. Added sound equipment caninterfere with the operation of the vehicle’s engine,radio, or other systems, and even damage them.The vehicle’s systems can interfere with theoperation of sound equipment that has been added.Notice: The chime signals related to safety belts,parking brake, and other functions of the vehicleoperate through the navigation system. If thatequipment is replaced or additional equipment isadded to the vehicle, the chimes may not work.Make sure that replacement or additional equipmentis compatible with the vehicle before installing it.See “Accessories and Modifications” in the Indexof the vehicle’s owner manual.Playing the RadioO (Power/Volume): Press this knob to turn the audiosystem on and off. Turn the knob to increase or todecrease the volume.TUNE/TONE Knob: Turn this knob to go to the next orprevious frequency.Press this knob to display the Sound menu. See “SoundMenu” later in this section.AUDIO: Press this key to display the full audio screen.Press the key to switch between AM, FM, or XM™,if equipped, CD, DVD, HDD, and AUX (auxiliary input),or touch the screen button. See CD Player onpage 3-10, DVD Player on page 3-18, Hard DriveDevice on page 3-24, and Auxiliary Devices onpage 3-30 for more information.3-2