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Lumbar Support Memory System Check

  1. Place gear selector lever in Park. Move left seat lumbar switch to in and out position. Driver seat lumbar support should move in and out. If lumbar support does not move in and out, go to LEFT LUMBAR SUPPORT DOES NOT MOVE IN OR OUT  or LEFT LUMBAR SUPPORT INOPERATIVE  under SYSTEM TESTS.
  2. Move left seat lumbar switch to up and down positions. Driver seat lumbar support should move up and down. If lumbar support does not move up and down, go to LEFT LUMBAR SUPPORT DOES NOT MOVE UP OR DOWN  or LEFT LUMBAR SUPPORT INOPERATIVE  under SYSTEM TESTS.
  3. Depress No. 1 button on memory function switch. A single chime should be heard, driver's seat should move to position programmed memory seat module for No. 1 button. Lumbar support and mirrors may also adjust to different positions set into memory seat module under No. 1 button. If seat does not function as specified, go to MEMORY SEATS SYSTEM CHECK  .
  4. Depress No. 2 button on memory function switch. A single chime should be heard, driver's seat should move to position programmed into memory seat module for No. 2 button. Lumbar support and mirrors may also adjust to different positions set into memory seat module under No. 2 button. If seat does not function as specified, go to MEMORY SEATS SYSTEM CHECK  .
  5. Adjust left seat lumbar support to desired position. Lumbar support should move as commanded. Depress MEMORY SET button followed by No. 1 button on memory function switch. Single chime will be heard indicating current lumbar setting as well as seat position and mirror position are stored for No. 1 button. Move left seat lumbar support in all directions. Lumbar support should move as commanded. Depress No. 1 button on memory function switch. Single chime should be heard. Lumbar support should move back to position programmed for No. 1 button. If left seat lumbar support does not respond or memory does not operate as specified, see MEMORY SEATS SYSTEM CHECK  .
  6. Move gear selector lever to Park. Depress unlock button on driver-1 RKE transmitter. Depress unlock button on driver-2 RKE transmitter. Driver seat will move to one of 2 programmed exit positions. If driver's seat does not move as specified, see REMOTE KEYLESS ENTRY SYSTEM CHECK under TROUBLE SHOOTING in REMOTE KEYLESS ENTRY SYSTEMS - ELDORADO article.