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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 321 (Frame And Underbody) >> Description and Operation >> Running Board Description >> Shipping Mode Unlock Procedure

Shipping Mode Unlock Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

The vehicles with the power running boards are shipped from the assembly plant in a shipping mode. The boards are locked in a retracted position during shipping. To unlock the boards for normal operation, perform the following steps:

  1. Open both drivers side doors
  2. Set the park brake
  3. Toggle the disable switch three times within 20 seconds after turning the ignition switch to the "On" position
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