Acura 2010 TSX - Manual (Page 124)

If the system repeatedly does not
recognize the coding of your key,
contact your dealer.
Do not attempt to alter this system
or add other devices to it. Electrical
problems could result that may make
your vehicle inoperable.
If you lose your key and you cannot
start the engine, contact your 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
the ON (II) position, the immobilizer
system indicator should come on
briefly, then go off. If the indicator
starts to blink, it means the system
does not recognize the coding of the
key. Turn the ignition switch to the
LOCK (0) position, remove the key,
reinsert it, and turn the ignition
switch to the ON (II) position again.
The system may not recognize your
key’s coding if another immobilizer
key or other metal object (i.e. key
chain) is near the ignition switch
when you insert the key.
As required by the FCC:
This device complies with Part 15 of the
FCC rules. Operation is subject to the
following two conditions: (1) This device
may not cause harmful interference, and
(2) this device must accept any
interference received, including
interference that may cause undesired
operation.
Changes or modifications not expressly
approved by the party responsible for
compliance could void the user’s
authority to operate the equipment.
This device complies with Industry
Canada Standard RSS-210.
Operation is subject to the following two
conditions: (1) this device may not cause
interference, and (2) this device must
accept any interference that may cause
undesired operation of the device.
Immobilizer System
Inst
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Always take the ignition key with you
whenever you leave the vehicle alone.
2010 TSX