Acura 2010 TL Owner's Manual page 197

Keyless Access System
In ACCESSORY mode, the
''ACCESSORY MODE'' message will
be displayed a few seconds after the
''TO UNLOCK KEYLESS REMOTE
TURN OFF POWER'' message is
displayed.
194
To remove the keyless access remote:
If the vehicle is left in the
ACCESSORY mode, the ''TO TURN
VEHICLE OFF'' message is shown
on the multi-information display
when you open the driver's door. If
the vehicle is left in the VEHICLE
OFF (LOCK) mode with the keyless
access remote in the slot, the
''REMOVE KEYLESS REMOTE
FROM SLOT'' message is shown on
the multi-information display.
2010 TL
On automatic transmission models
The shift lever must be in Park
before you can press the engine
start/stop button twice without
pressing the brake pedal to set the
vehicle into the VEHICLE OFF
(LOCK) mode.