2010 Acura TL Owner's Manual - Page 189

Keyless Access System Emergency Engine Stop The engine start/stop button may be used to stop the engine due to an emergency situation even while driving. If you must stop the engine, do either of the following operations: Press and hold the engine start/ stop button for three seconds. Firmly press the engine start/stop button three times. Do not press the button while driving unless it is absolutely necessary for the engine to be switched off. If you are driving, the power mode switches from ON to ACCESSORY or VEHICLE OFF (LOCK) whenever you perform either procedure. However, the steering wheel will NOT lock. If you cannot stop the engine by pressing the engine start/stop button once when the vehicle is stopped and the shift lever is in Park (automatic transmission), do either emergency engine stop procedure. In this case, the power mode will change to VEHICLE OFF (LOCK), however, the steering wheel may NOT lock. 186 2010 TL