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Home >> GMC >> 2023 >> Hummer EV Edition 1 >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Bolted Exterior Body Panels And Closures >> Repair Instructions >> Power Tonneau Cover Calibration

Power Tonneau Cover Calibration

NOTE:

If any portion of the Power Tonneau Cover assembly is replaced, repaired, disassembled, or if the 12V battery is disconnected the Power Tonneau Cover calibration procedure must be performed.

  1. Unlock the vehicle and open the endgate. Make sure there are no obstructions in the pickup bed that could interrupt the opening and closing of the cover. Make sure the vehicle is parked on a level surface while calibrating.
  2. Double-check that the vehicle doors are unlocked and open the driver door. This will prevent accidental auto-locking during calibration.
  3. Press and hold both buttons on the Electric Roller Cover rail for 10 seconds. The buttons are located on the left bed rail, all the way back towards the endgate.
  4. The cover will open and close TWICE automatically.
  5. A light in the pickup bed will pulse during calibration. When it stops pulsing, calibration is complete.
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