The ignition switch has four positions:LOCK (0), ACCESSORY (I), ON (II),and START (III).LOCK (0) - You can insert or removethe key only in this position. To turnthe key to the LOCK (0) position, theshift lever must be in Park, and youmust push the key in slightly.If the front wheels are turned, the anti-theft lock may make it difficult to turnthe key. Firmly turn the steering wheelto the left or right as you turn the key.ACCESSORY (I) - You can operatethe audio system and the accessorypower sockets in this position.ON (II) - This is the normal keyposition when driving. Several of theindicators on the instrument panelcome on as a test when you turn theignition switch from theACCESSORY (I) to the ON (II)position.START (III) - Use this positiononly to start the engine. The switchreturns to the ON (II) position whenyou let go of the key.You will hear a reminder beeper ifyou leave the key in the ignitionswitch in the LOCK (0) or theACCESSORY (I) position and openthe driver's door. Remove the key toturn off the beeper.The shift lever must be in Parkbefore you can remove the key fromthe ignition switch.Ignition Switch139Instruments and Controls11/08/29 10:08:20 12 ACURA MDX MMC North America Owner's M 50 31STX650 enu