2010 Acura TL Owner's Manual - Page 184

Keyless Access System Ignition Switch and Power Mode Comparison Ignition Switch Position LOCK (0) ACCESSORY (I) ON (II) START (III) Without Keyless Access System Engine is turned off and power is shut down. The steering wheel is locked. No electrical components can be used. Engine is turned off. Some electrical components such as the audio system and accessory power sockets can be operated. Normal key position while driving. All electrical components can be used. Use this position to start the engine. The ignition switch returns to the ON (II) position when you release the key. Instruments and Controls Power Mode VEHICLE OFF (LOCK) Indicator-Off Engine is turned off and power is shut down. The steering wheel is locked. No electrical components can be used. ACCESSORY ON Green OFF START With Keyless Access System and Engine Start/Stop Button Indicator-Green Engine is turned off. Some electrical components such as the audio system and accessory power sockets can be operated. IndicatorGreen (engine is turned off) Off (engine is running) All electrical components can be used. Indicator-Off The mode automatically returns to ON after the engine starts. 181 2010 TL