Acura 2011 RL Owner's Manual page 187

Built-in key and Remote
BUILT-IN KEY
RELEASE BUTTON
To remove the built-in key, pull it out
while pressing the release button. To
reinstall the built-in key, push the
key into the remote until it clicks.
To avoid damaging the remote and
the built-in key, never pull on the
built-in key unless you are pressing
the release button.
The keyless access system uses an
electric field to identify the remote.
If you use medical equipment such
as a cardiac pacemaker, ask your
doctor if the radio waves used by the
remote will affect it.
Keyless Access System
Valet Function
The trunk and glove box cannot be
opened when you turn the trunk
main switch off and lock the glove
box and trunk pass-through cover
with the built-in key. Also, the trunk
cannot be opened by using the
remote.
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