2003 Hummer H2FACTORY OEM SERVICE PROCEDURE

Memory Seat Programming

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Perform the following actions in order to program the memory seats for 2 separate drivers. Both outside mirrors and the radio station presets can also be programmed with the seat position:

  1. Move the seat to the desired position. Include the recliner, lumbar, and side wing area seat position.
  2. Press the correct memory seat button for the specific driver and hold for 3 seconds. After pressing the switch a double chime should be heard.
  3. Repeat the steps for the second driver.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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