— 3 —To prevent injury and/or fire, take thefollowing precautions:• Insert the unit all the way until it is fullylocked in place. Otherwise it may fly out ofplace during collisions and other jolts.• When extending the ignition, battery, orground wires, make sure to use automotive-grade wires or other wires with a 0.75mm 2(AWG18) or more to prevent wiredeterioration and damage to the wirecoating.• To prevent short circuits, never put or leaveany metallic objects (e.g., coins or metaltools) inside the unit.• If the unit starts to emit smoke or strangesmells, turn off the power immediately andconsult your Kenwood dealer.• Make sure not to get your fingers caughtbetween the faceplate and the unit.• Be careful not to drop the unit or subject it tostrong shock.The unit may break or crack because itcontains glass parts.2WARNINGTo prevent damage to the machine,take the following precautions:• Make sure to ground the unit to a negative12V DC power supply.• Do not open the top or bottom covers of theunit.• Do not install the unit in a spot exposed todirect sunlight or excessive heat or humidity.Also avoid places with too much dust or thepossibility of water splashing.• Do not subject the faceplate to excessiveshock, as it is a piece of precisionequipment.• When replacing a fuse, only use a new onewith the prescribed rating. Using a fuse withthe wrong rating may cause your unit tomalfunction.• To prevent short circuits when replacing afuse, first disconnect the wiring harness.• Do not place any object between thefaceplate and the unit.• During installation, do not use any screwsexcept for the ones provided. The use ofimproper screws might result in damage tothe main unit.• Do not apply excessive force to the movingfaceplate. Doing so will cause damage ormalfunction.• Do not apply excessive force to the openfaceplate or place objects on it. Doing so willcause damage or breakdown.2CAUTION IMPORTANT INFORMATIONAbout CD players/disc changersconnected to this unitKENWOOD disc changers/ CD playersreleased in 1998 or later can be connected tothis unit.Refer to the catalog or consult your Kenwooddealer for connectable models of discchangers/ CD players.Note that any KENWOOD disc changers/ CDplayers released in 1997 or earlier and discchangers made by other makers cannot beconnected to this unit.Unsupported connection may result indamage.Setting the "O-N" Switch to the "N" position forthe applicable KENWOOD disc changers/ CDplayers.The functions that can be used and theinformation that can be displayed will differdepending on the models being connected.You can damage both your unit and the CDchanger if you connect them incorrectly.Do Not Load 3-in. CDs in the CD slotIf you try to load a 3 in. CD with its adapterinto the unit, the adapter might separate fromthe CD and damage the unit.Safety precautionsKDC-PSW9524_U.S_r5.pg 02.12.13 2:05 PM Page 3