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44
pressing the button means that they stay indirect light, and will
not turn when you turn the steering wheel.
IMMO SERVICE
An immobilizer is an anti-theft mechanism that prevents a
vehicle’s engine from starting unless the correct ignition key or
other device is present. Most new vehicles have an immobilizer
as standard equipment. An important advantage of this system
is that it doesn’t require the car owner to activate it since it
operates automatically. An immobilizer is considered as
providing much more effective anti-theft protection than an
audible alarm alone.
As an anti-theft device, an immobilizer disables one of the
systems needed to start a car’s engine, usually the ignition or
the fuel supply. This is accomplished by radio frequency
identification between a transponder in the ignition key and a
device called a radio frequency reader in the steering column.
When the key is placed in the ignition, the transponder sends a
signal with a unique identification code to the reader, which
relays it to a receiver in the vehicle’s computer control module.
If the code is correct, the computer allows the fuel supply and
ignition systems to operate and start the car. If the code is
incorrect or absent, the computer disables the system, and the
car will be unable to start until
the correct key is placed in the
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