Master Key - Important or not?

Discussion in 'General Motoring' started by Ed Gasket, Aug 24, 2008.

  1. Ed Gasket

    Ed Gasket Guest

    I have seen a 1998 Lantra for sale in good condition. The only thing
    is that the seller only has two black keys; no blue or purple master
    key. Is this going to be a problem? I know I can get the black keys
    cloned by an auto locksmith for around £25 but am not sure if the ecu
    ever gets itself into a state where it will only recognise the master.
    Would you advise avoiding a car without the master key ?

    (This is a UK car with standard immobiliser; I think the ecu is coded
    to the master key transponder)
    Ed Gasket, Aug 24, 2008
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  2. I got a master key for my 2000 Sonata just by walking into a Hyundai
    dealer and proving that I'm the legitimate owner of the car. The key was
    made from a computerized pattern: all electronic, driving the key
    machine. More expensive than the locksmith, but quite cheaper than your
    locksmith (when I convert your pounds to bucks).

    Richard Steinfeld, Aug 24, 2008
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  3. Ed Gasket

    Ed Gasket Guest

    I think your car probably doesn't have a uk style immobiliser then. If
    I went to Hyundai and asked for a master key, they may not be able to
    supply it as the transponder chip is unique and matched with the ecu.
    They would probably quote me for ecu, immobiliser, antenna and new
    keys; around £1500 ! Basically in the uk, if your immobiliser gets
    screwed and you don't have the master key, the car can be scrap.
    Ed Gasket, Aug 25, 2008
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