Various Types Of Car Keys You Need To Know | Different Types Of Car Keys

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Different Types of Car Keys
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Types of Car Keys

• The Basic Car Key
• The Car Key Remote Control
• The Car Key Transponder
• The Car Key Transponder with Rolling Codes
• The Switchblade Key
• The Smart Key
• The Master Key
• The Valet Key

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The Basic Car Key

• Most older vehicles will just have a standard,
  machine cut key, which are easy to copy and have
  little security features.
• To increase security most owners of these types
  of vehicles will have installed some sort of
  security alarm and electronic fob to prevent
  theft of their vehicle.

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The Car Key Remote Control

• After the basic car key, most cars will have some
  sort of remote controlled unlocking device.
• Car key remotes will usually be battery operated
  and have a button on the key fob, which will
  disable the car's alarm system.

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The Car Key Transponder

• To help combat a tide of car crime, in 1990 most
  manufacturers and car key makers started fitting
  their keys with an electronic transponder chip in
  the head of the key, or in their car key fobs.
• Each chip works by sending out a unique code to
  the car's on board computed or 'immobiliser'
  device.
• If the code doesn't match up to the code
  programmed into the immobiliser then the car will
  not start.

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The Car Key Transponder with Rolling Codes

• More advanced transponder keys are available,
  which create a unique code every time the key is
  used.
• This means that they are practically impossible
  to duplicate and hack so are a lot more secure.

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The Switchblade Key

• A switchblade key is a key where the base, or
  shank of the key is retractable into the head or
  fob of the key.
• These are either folded or clicked open for use
  and you can buy and replace either the key or the
  head separately if they break or malfunction.

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The Smart Key

• In the true sense they are not really a key, as
  they are designed to stay in your pocket and no
  'unlocking' is needed.
• A car with a smart key system will have a series
  of antennas that can detect the presence of a
  smart key.
• The owner will usually be able to touch a button
  or sensor to unlock the car, and in some cases a
  number of settings will be applied to the set up
  of the car, such as music preferences, seating
  position and climate control.

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The Master Key

• Master keys are not so common any more but were
  previously used by car dealerships to programmer
  replacement car keys, Nowadays, the information
  used for programming cars is stored in a central
  database so master keys are not found very often.
  
• However, if you're buying a used car that uses a
  master key, make sure that they provide this,
  because if you lose the master key then you may
  need to replace the whole engine management
  system, which is not going to be cheap!

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The Valet Key
Some cars come with an extra 'valet' key, which
will give access to the ignition and car doors
only, but will not give access to the glove box
and the boot.
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