Acura 2011 RL Owner's Manual page 186

Keyless Access System
Keyless Remote Low Battery
The batteries in the remote normally
last about 2 years. To ensure
maximum battery life, do not store
the remote close to electrical devices
such as computers or TVs. When the
multi-information display shows
''KEYLESS REMOTE LOW
BATTERY,'' replace the batteries as
soon as possible (see page
180
Check Keyless Access System
The indicator comes on for several
seconds when you turn the ignition
switch to the ON (II) position. Have
your vehicle checked by your dealer
if:
175 ).
KEYLESS ACCESS SYSTEM
INDICATOR
The keyless access system
indicator comes on and stays on
while you are driving.
The indicator comes on and stays
on with the ignition switch in the
ON (II) position.
The multi-information display
shows ''CHECK KEYLESS
ACCESS SYSTEM.''
In this case, use the built-in key to
lock/unlock the doors and start the
engine.