Ford Mustang Owner's Manual page 98

purchased either through your dealership or
selected retailers. Be sure to purchase only coded
keys with a Ford or Mercury logo on it to
ensure proper functionality. If both supplied
keys are lost or stolen, the vehicle must be
brought to the dealership for re-initialization.
Theft Indicator
The indicator provides system proveout and
operating status. The system activates the
indicator when the ignition switch is placed in
the ON or START position. This indicator helps
to determine possible fault conditions and/or
normal operating proveout. The system will
illuminate the indicator for two (2) seconds then
go out to acknowledge normal operating
conditions. If the indicator does not illuminate at
key ON or flashes, have the system serviced.
Spare Key Programming Procedure
Two electronically coded keys were supplied
with your vehicle, use one of these with the
procedure below:
Using a coded key that you can start your
engine with, turn the ignition from the ON to
the OFF position.
Within 15 seconds, insert a new key into the
ignition and turn it to ON or START. The
vehicle does not have to be started.
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