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Self-diagnosis for convenience system
Matching a new additional key
From model year 1999
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‒ Insert a correct profile ignition key (old) in the ignition switch/lock.
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‒ Switch on ignition.
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‒ Lock the vehicle mechanically (driver's door) with a new key (to be learned) and then operate one of the radio wave buttons on the key.
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‒ Then after a pause of more than one second operate the radio wave button on the key a second time.
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‒ The adaption process is completed and will be confirmed by the vehicle horn sounding.
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