Acura 2012 TL - Manual (Page 152)

Always make sure the key is fully
extended when you insert it to the
ignition switch. If the key is not fully
extended, the immobilizer system
may not operate properly and
prevent the engine from starting.
The master key can be retracted into
the remote transmitter. To use the
key, push the release button to
release the key from the transmitter.
The key should be fully extended.
To retract the key, push the release
button and at the same time push the
key into the remote transmitter until
it is securely latched.
The key may come in contact with
your finger while being retracted or
extended. Make sure your fingers do
not touch the pivot of the key when
retracting or extending it.
Each keyless access remote has a
built-in key. This key is used to lock/
unlock the doors when the remote
battery becomes weak and the
power door lock/unlock operation is
disabled. You cannot start the engine
with this key.
The built-in key (see page ) fits
all the locks on your vehicle.
201
On models with keyless access system Retractable Master Key
Keys and Locks
148
Push
RELEASE BUTTON
KEY NUMBER TAG BUILT-IN KEYS
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2012 TL