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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 449 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Dual DVD Rear Seat Entertainment Headrest Remote Malfunction >> Circuit/System Verification

Circuit/System Verification

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NOTE:

Test or replace the remote batteries before performing Circuit/System Verification.

  1. Verify there are no obstructions that may block the infra-red port located above the video display screen.
  2. DVD playing, press multiple buttons on the remote control and verify the remote operatives properly at both monitors.
    • If remote fails to operate either DVD monitor, replace the remote.
    • If remote operates only one DVD monitor, replace the inoperative monitor.
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