Chevrolet 2008 Impala Specifications download pdf (Page 94)

PASS-Key

III+ Operation

Your vehicle has PASS-Key

III+ (Personalized

Automotive Security System) theft-deterrent system.

PASS-Key

III+ is a passive theft-deterrent system.

This means you do not have to do anything special to

arm or disarm the system. It works when you transition

the key to ON/RUN, ACC/ACCESSORY or START

from the LOCK/OFF position.

When the PASS-Key

III+ system senses that someone

is using the wrong key, it prevents the vehicle from

starting. Anyone using a trial-and-error method to start

the vehicle will be discouraged because of the high

number of electrical key codes.

If the engine does not start and the security light on the

instrument panel cluster comes on when trying to

start the vehicle, the key may have a damaged

transponder. Turn the ignition off and try again.

If the engine still does not start, and the key appears to

be undamaged, try another ignition key. At this time,

you may also want to check the fuse, see Fuses

and Circuit Breakers on page 5-99. If the engine still

does not start with the other key, your vehicle needs

service. If your vehicle does start, the ﬁrst key may be

faulty. See your dealer/retailer who can service the

PASS-Key

III+ to have a new key made. In an

emergency, contact Roadside Assistance.

It is possible for the PASS-Key

III+ decoder to learn

the transponder value of a new or replacement key.

Up to nine additional keys may be programmed for the

vehicle. The following procedure is for programming

additional keys only. If all the currently programmed

keys are lost or do not operate, you must see your

dealer/retailer or a locksmith who can service

PASS-Key

III+ to have keys made and programmed to

the system.

See your dealer/retailer or a locksmith who can service

PASS-Key

III+ to get a new key blank that is cut

exactly as the ignition key that operates the system.

To program the new additional key:

1. Verify that the new key has a

1 stamped on it.

2. Insert the original, already programmed, key in the

ignition and start the engine. If the engine will not

start, see your dealer/retailer for service.

3. After the engine has started, turn the key to

LOCK/OFF, and remove the key.

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Chevrolet 2008 Impala Specifications Page 94

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