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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 230 (Immobilizer System) >> Description and Operation >> Immobilizer Description and Operation >> The Ignition Key (Transponder) >> Master Keys

Master Keys

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Master keys have a black plastic head for full access operation of the vehicle. Master keys may perform the following functions:

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