Acura 2011 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.
186
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.
2011 TL