Acura 2014 TL Owner's Manual page 199

Beeper and Message
Keyless Remote Not Detected
If you take the keyless access
remote out of the vehicle and close
the door with the power mode ON or
ACCESSORY, the inside and outside
beepers sound and a ''KEYLESS
REMOTE NOT DETECTED''
message will be displayed on the
multi-information display, and the
doors will not lock.
The displayed message goes away
when you bring the remote back
inside the vehicle.
If the engine is running and you take
the remote out of the vehicle, it will
continue to run, and the inside and
outside beepers will sound. Once the
power mode is changed to VEHICLE
OFF (LOCK), the engine will not
restart until you bring back a remote
into the vehicle.
Keyless Access System
The engine does not start if you push
the engine start/stop button when
the remote is outside the vehicle.
Check where the remote is. Make
sure that the remote is in the vehicle
with you when you operate the
engine start/stop button.
Even when the remote is inside the
vehicle, the beeper may sound when
the location of the remote is not
detected due to surrounding
conditions. It is not a failure. Make
sure that you carry the remote with
you.
The outside beeper sounds when the
power mode is in ACCESSORY, and
a door is opened, then closed.
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