1998 Oldsmobile RegencyFACTORY OEM SERVICE PROCEDURE

Memory System Check

NOTE: Perform this check before diagnosing symptoms.
  1. Move front height switch up and down. Move rear height switch up and down. Move entire seat switch up and down. Move forward/back switch forward and back. Move recliner switch up and down. Seat should move into each selected direction. If seat operates as specified, go to next step. If seat does not operate as specified, go to one of the following tests under SYSTEM TESTING:
  2. Using mirror select switch, select left mirror. Briefly press outside mirror switch to left, right, up and down positions. Using mirror select switch, select right mirror. Briefly press outside mirror switch to left, right, up and down positions. Each mirror should move into each selected position. If each mirror operates as specified, go to next step. If each mirror does not operate as specified, go to one of the following tests under SYSTEM TESTING:
  3. Momentarily press DRIVER-1 switch. Both seat and mirrors should move to programmed positions for DRIVER-1 and a single chime should be heard. Momentarily press DRIVER-2 switch. Both seat and mirrors should move to programmed positions for DRIVER-2 and a single chime should be heard. If seat and mirrors operate as specified, go to next step. If seat and mirrors do not operate as specified, go to one of the following tests under SYSTEM TESTING:
  4. Turn ignition off. Put gearshift lever in Park. Simultaneously press DRIVER-1 and DRIVER-2 switch. Seat should move to easy exit position (fully down and back) and a single chime should be heard. Mirror positions should not change. If seat operates as specified, go to next step. If seat does not operate as specified, go to SEAT DOES NOT MOVE TO EASY EXIT POSITION  under SYSTEM TESTING.
  5. Manually move seat fully forward and up. Seat should move fully forward and up. Press Set Memory switch, then press DRIVER-1 switch within 5 seconds. Simultaneously press DRIVER-1 and DRIVER-2 switch. Seat should move to easy exit position (fully down and back). After seat stops moving, momentarily press DRIVER-1 switch. Seat should return to fully forward and up position. Repeat process for DRIVER-2 switch. If seat operates as specified, go to next step. If seat does not operate as specified, go to ALL MEMORY, SEAT & MIRROR FUNCTIONS INOPERATIVE  under SYSTEM TESTING.
  6. Move seat in all directions. Press UNLOCK button for DRIVER-1 on remote keyless entry transmitter. Seat and outside mirrors should move to programmed settings for DRIVER-1. If seat and mirrors operate as specified, system is operating properly. If seat and mirrors do not operate as specified, locate and repair problem in remote keyless entry system. See KEYLESS ENTRY SYSTEM - REMOTE article.
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:

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

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