Acura 2004 NSX - Owner's Manual - Manual (Page 58)

You should also receive a small case
containing a learning key. It is used
by the Acura dealer to code
replacement keys to your vehicle’s
Immobilizer System. It must not be
used in your vehicle’s ignition switch.
Store the learning key with the key
number tag in a safe place.
If you attempt to use the learning
key to start your vehicle’s engine, it
may cause a malfunction in the
system that makes your master and
valet keys unusable. If this happens,
you should contact your Acura
dealer.
The Immobilizer System protects
your vehicle from theft. If an
improperly-coded key (or other
device) is used, the engine’s fuel
system is disabled.
When you turn the ignition switch to
ON (II), the Immobilizer System
indicator should come on for a few
seconds, then go out. If the indicator
starts to blink, it means the system
does not recognize the coding of the
key. Turn the ignition switch to
LOCK (0), remove the key, reinsert
it, and turn the switch to ON (II)
again.
The system may not recognize your
key’s coding if another immobilizer
key or other metal object (i.e. key
fob) is near the ignition switch when
you insert the key.
CONTINUED
Instruments and Controls
Learning Key Immobilizer System
Keys, Immobilizer System
55
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